Button cells

The Varta V344, internationally known as SR1136SW, is a premium silver oxide button cell, specially developed for the precise requirements of high-quality wristwatches with enhanced functions. As a specialist for watch batteries, Varta guarantees top quality, reliability and an extremely long lifespan. With its stable voltage of 1.55 V and high capacity of 80 mAh, it ensures maximum accuracy and protects your valuable watch movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityHigh capacity: Long service life even in watches with additional functionsHigh leak protection: Maximum protection for your valuable watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for demanding watchesThe Varta V344 was specially designed for use in analogue and digital quartz watches whose movements have a slightly increased energy requirement, for example due to a date display or other additional functions. Its cell chemistry is optimised for low, constant current consumption, to ensure the longest possible and most reliable runtime.Superior silver oxide technologyCompared with conventional alkaline batteries, the silver oxide technology of the V344 offers crucial advantages. The voltage remains stable for almost the entire service life of the battery, ensuring the accuracy of the device. The high energy density enables a long runtime in a compact form factor. Thanks to minimal self-discharge, the battery is also extremely long-lasting in storage.Efficiency and safety for your watch movementVarta watch batteries are subject to strictest quality controls, to guarantee consistently high performance and maximum safety. The high-quality construction and sealing of the V344 cell offers reliable protection from leakage and preserves the delicate watch movement from damage. Rely on tested quality for your valuable devices. Characteristics  ModelVarta V344 / SR1136SW TechnologySilver oxide-zinc SizeSR1136SW / 344 Nominal voltage (V)1.55 Capacity (mAh)ca. 85 Dimensions (Ø x H, mm)ca. 11.6 x 3.6 Weight (g)ca. 1.5 RechargeableNo  FAQs about the Varta V344 watch batteryWhat does the designation SR1136SW mean?The international IEC designation gives information about the battery. "S" stands for silver oxide, "R" for the round form factor, "1136" for the dimensions (11.6 mm x 3.6 mm) and the "SW" at the end marks a "low drain" version. This is specially optimised for devices with low and constant power consumption.Is this battery compatible with the designation SR42SW?The Varta 344 corresponds to the internationally standardised IEC designation SR1136SW. The designation SR42SW is not standardised and could lead to confusion. If the number 344 is on your old battery, this is the correct and suitable replacement.Can I replace an LR1136 alkaline battery with this V344?Yes, this is possible in almost all cases and is a clear upgrade. The V344 (SR1136SW) offers longer lifespan and a more stable voltage, which improves the accuracy of your watch. The use of a silver oxide battery such as the V344 is expressly recommended for high-quality watches.How should this watch battery be disposed of?Watch batteries may not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally responsible recycling.

The Varta V346, internationally known as SR712SW, is a premium silver oxide button cell in an exceptionally flat design. It was specially developed for the precise requirements of very flat wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V, it ensures maximum accuracy and protects your valuable and delicate movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage protection: Maximum protection for your valuable and delicate movementUltra-flat design: Ideal for the flattest and smallest watch modelsPrecision energy for ultra-flat watchesThe Varta V346 was specially designed for use in analogue and digital quartz watches with particularly flat movements. Its cell chemistry is optimised for low, constant power consumption, which is characteristic of these watch types. Its extremely flat dimensions make it the perfect choice for designer watches and other delicate timepieces where every millimetre of build height matters.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V346 offers crucial advantages. The voltage remains stable for almost the entire life of the battery, ensuring the accuracy of the device. The high energy density enables long operating times in a very small size. Thanks to the minimal self-discharge, the battery is also extremely long-lasting in storage.Efficiency and safety for your movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V346 cell provides reliable protection against leakage, thus protecting the delicate movement from damage. Rely on tested quality for your valuable devices. Characteristics  ModelVarta V346 / SR712SW TechnologySilver oxide-zinc SizeSR712SW / 346 Nominal voltage (V)1.55 Capacity (mAh)approx. 11 Dimensions (Ø x H, mm)approx. 7.9 x 1.25 Weight (g)approx. 0.3 RechargeableNo  FAQs about the Varta V346 watch batteryWhat does the designation SR712SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "712" for the dimensions (7.9 mm x 1.25 mm) and "SW" at the end identifies a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.For which watches is this battery type particularly suitable?The V346 is typically used in very flat wristwatches. Due to its extremely low height, it is a popular choice for elegant and delicate watch models where minimal case height is important.Can I use another battery instead of this one?Due to its very specific and flat dimensions, replacement with another type of battery is generally not possible. It is important to use exactly the type specified by the watch manufacturer.How must this watch battery be disposed of?Watch batteries must not be disposed of in household waste. Please take the empty battery to designated collection points in shops or municipal recycling centres to ensure environmentally proper recycling.

The Varta V23GA is a high-performance alkaline speciality battery developed for electronic devices with high, short-term energy requirements. It offers an exceptionally high nominal voltage of 12 V in a very compact design. As a quality product from Varta, it stands for reliability, longevity and consistently high power output. The battery is supplied in a practical individual blister pack that provides optimum protection until it is used.Highlights at a glanceHigh voltage: 12 V for power-intensive applications such as radio transmittersBrand quality: Reliable and long-lasting energy from VARTAVersatile in use: Ideal for remote controls, garage door openers and alarm systemsLong shelf life: High energy reserve for when you need itCompact performance: High energy density in a small cylindrical designPowerful for radio and safety applicationsThe Varta V23GA is the ideal energy source for a variety of radio remote controls and security systems. It is often used in garage door openers, radio remote controls for central locking systems, alarm systems, doorbells and other devices that require a high voltage to send a signal. Its reliable performance ensures safe and stable operation of your important everyday helpers.Reliable alkaline technologyThe Varta V23GA is based on proven alkaline manganese technology. Inside the battery, eight individual button cells are connected in series to achieve the high voltage of 12 V. This construction is specially designed to supply high currents for short periods, as required for the operation of radio transmitters. The high-quality workmanship of Varta provides reliable protection against leakage.Efficiency and safety with a systemVarta batteries are subject to strict quality controls to ensure consistently high performance and maximum safety. The V23GA is designed for a wide temperature range and delivers reliable power even under demanding conditions. The individual packaging protects the cell from short circuits and environmental influences and enables safe storage. Battery features  ModelVarta V23GA TechnologyAlkaline manganese SizeA23 / 23A / MN21 Nominal voltage (V)12 Capacity (mAh)approx. 55 Dimensions (Ø x H, mm)approx. 10.3 x 28.5 Weight (g)approx. 8 RechargeableNo  FAQs about the Varta V23GA special batteryWhat do the designations A23, 23A or MN21 stand for?These are alternative designations for the same battery type from other manufacturers or according to different standards. The Varta V23GA is compatible with all batteries bearing one of these designations, such as A23, 23AE, MN21 or 8LR932.Why does this small battery have such a high voltage of 12 V?Inside the V23GA are eight small 1.5 V alkaline button cells, which are connected in series. Due to the series connection, the individual voltages add up (8 x 1.5 V = 12 V). This high voltage is required for the operation of small radio transmitters in remote controls.Is the V23GA battery rechargeable?No, the Varta V23GA is a primary battery that cannot be recharged. Any attempt to recharge the battery is dangerous and can lead to the destruction or leakage of the cell.How should this battery be disposed of?Special batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V370, internationally known as SR920W, is a premium silver oxide button cell developed as a "High Drain" version especially for watches and small devices with high, short-term energy requirements. As a specialist in specialty batteries, Varta guarantees top quality and reliability. With its stable voltage of 1.55 V and an optimised capacity of 35 mAh, it delivers the powerful performance that demanding, compact devices require.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh Drain optimised: Ideal for devices with high, short-term energy requirementsLong service life: High capacity for this compact sizeStable voltage: Constant 1.55 V for reliable function under loadTested quality: High leakage protection and reliability from VartaPrecision energy for demanding watches and devicesThe Varta V370 was developed for use in analogue and digital quartz watches that have energy-intensive additional functions such as backlighting, an alarm, or a stopwatch function. In addition, it is an excellent energy source for a variety of compact small devices such as calculators, electronic games or medical devices that require high power for short periods.Superior silver oxide technologyThe silver oxide technology of the V370 offers high energy density and a very stable voltage level. The "High Drain" (W) design is characterised by a lower internal resistance. This allows the battery to deliver higher currents for short durations without the voltage dropping significantly, ensuring the reliable function of the connected loads.Efficiency and safety for your devicesVarta batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V370 cell provides reliable protection against leakage and thus protects your valuable devices from damage. Trust in tested quality. Features  ModelVarta V370 / SR920W TechnologySilver Oxide-Zinc (High Drain) SizeSR920W / 370 Nominal voltage (V)1.55 Capacity (mAh)approx. 38 Dimensions (Ø x H, mm)approx. 9.5 x 2.1 Weight (g)approx. 0.6 RechargeableNo  FAQs about the Varta V370 watch batteryWhat does "High Drain" mean?"High Drain" means that the battery is designed for devices with high energy requirements. It can deliver high currents for short periods, such as those needed for display lighting or a signal tone. "Low Drain" batteries (with the suffix SW), on the other hand, are optimised for devices with a very low, constant current consumption, such as simple watches.Is this battery compatible with the designation SR69W?The Varta 370 corresponds to the internationally standardised IEC designation SR920W. The designation SR69W is not standardised. Please check the number on your old battery. If it is marked 370 or SR920W, this is the correct and suitable replacement.What is the difference between a V370 (SR920W) and a V371 (SR920SW)?Both are high-quality silver oxide batteries of the same size. However, the V370 is designed as a "High Drain" version for devices with higher current consumption (e.g. watches with illumination). The V371 (SR920SW) is a "Low Drain" version specially optimised for the low, constant current consumption of simple wristwatches, where it provides maximum efficiency.How should this battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in stores or at municipal recycling centres to ensure environmentally sound recycling.

The Varta V377, internationally known as SR626SW, is one of the most popular premium silver oxide button cells, specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity of 27 mAh, it ensures maximum accuracy and protects your valuable timepiece.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V377 is a widely used power source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for a low, constant power consumption, as is typical for movements without additional functions. Its compact size makes it the perfect choice for a wide range of men's and women's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V377 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, ensuring the precision of the device. The high energy density enables a long runtime in a very small format. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V377 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust tested quality for your valuable devices. Features  ModelVarta V377 / SR626SW TechnologySilver oxide-zinc (Low Drain) SizeSR626SW / 377 Nominal voltage (V)1.55 Capacity (mAh)approx. 26 Dimensions (Ø x H, mm)approx. 6.8 x 2.6 Weight (g)approx. 0.35 RechargeableNo  FAQs about the Varta V377 watch batteryWhat does the designation SR626SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "626" for the dimensions (6.8 mm x 2.6 mm) and "SW" at the end identifies a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR66SW?The Varta 377 corresponds to the internationally standardised IEC designation SR626SW. The designation SR66SW is not standardised. Please check the number on your old battery. If it shows 377 or SR626SW, this is the correct and suitable replacement.Can I replace an LR626 alkaline battery with this V377?Yes, this is possible in almost all cases and represents a clear upgrade. The V377 (SR626SW) offers a longer service life and a more stable voltage, improving the accuracy of your watch. For high-quality watches, it is strongly recommended to use a silver oxide battery such as the V377.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres for environmentally sound recycling.

The Varta V386, internationally known as SR43W, is a premium silver oxide button cell, specially developed as a "high drain" version for watches and small appliances with high, short-term energy requirements. As a specialist in special batteries, Varta guarantees the highest quality and reliability. With its stable voltage of 1.55 V and a high capacity of 120 mAh, it delivers the powerful performance that demanding electronic devices require.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh drain optimised: Ideal for devices with high, short-term energy requirementsHigh capacity: Long service life even in devices with high consumptionStable voltage: Constant 1.55 V for reliable function under loadTested quality: High leakage safety and reliability from VartaUniversal precision energy for demanding devicesThe Varta V386 is a universal energy source for a variety of devices that require powerful and reliable performance. It is ideal for wristwatches with energy-hungry additional features such as lighting or alarms. Moreover, it is the perfect choice for calculators, digital calipers, laser pointers, toys and various medical devices.Superior silver oxide technologyThe silver oxide technology of the V386 offers high energy density and a very stable voltage situation. The "High Drain" (W) design is characterised by a lower internal resistance. This allows the battery to deliver higher currents for short periods of time without the voltage dropping significantly, ensuring the reliable function of the connected consumers.Efficiency and safety for your devicesVarta batteries are subject to strict quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V386 cell provide reliable protection against leakage and thus protect your valuable devices from damage. Trust in tested quality. Characteristics  ModelVarta V386 / SR43W TechnologySilver oxide-zinc (High Drain) SizeSR43W / 386 Nominal voltage (V)1.55 Capacity (mAh)approx. 120 Dimensions (Ø x H, mm)approx. 11.6 x 4.2 Weight (g)approx. 1.9 RechargeableNo  FAQs about the Varta V386 watch batteryWhat does "High Drain" mean?"High drain" means that the battery is designed for devices with high energy requirements. It can briefly supply high currents, as required, for example, for a display illumination, a signal tone or a measurement process. "Low drain" batteries (with the suffix SW) are, on the other hand, optimised for devices with a very low, constant current consumption such as simple clocks.Can I replace an LR43 alkaline battery with this V386?Yes, this is always possible and represents a significant upgrade. The V386 (SR43W) offers a longer service life and a much more stable voltage than an LR43 battery. This is particularly advantageous for measuring instruments and medical equipment to ensure high accuracy.What is the difference between a V386 (SR43W) and a V301 (SR43SW)?Both are high-quality silver oxide batteries of the same size. However, the V386 is designed as a "high drain" version for devices with higher current consumption (e.g. calculators). The V301 (SR43SW) is a "low drain" version specially optimised for the low, constant current requirements of simple wristwatches and provides maximum efficiency there.How should this battery be disposed of?Watch batteries must not be disposed of in household waste. Please take the empty battery to the designated collection points in stores or municipal recycling centres to ensure environmentally sound disposal.

The Varta V303, internationally known as SR44SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V and a high capacity of 155 mAh, it ensures maximum accuracy and protects your valuable watch movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: High capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V303 was specially designed for use in analogue and digital quartz watches. Its cell chemistry is optimised for low, constant current consumption as is typical for watch movements. In addition to watches, this battery is also ideal for a wide range of other electronic precision instruments where a constant power supply is essential for accurate measurement results.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V303 offers decisive advantages. The voltage remains stable for almost the entire battery life, ensuring the precision of the device. The high energy density allows for a long runtime in a very small size. Thanks to minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subjected to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V303 cell provide reliable protection against leakage and keep the delicate watch movement safe from damage. Rely on tested quality for your valuable devices. Battery features  ModelVarta V303 / SR44SW TechnologySilver oxide zinc SizeSR44SW / 303 Nominal voltage (V)1.55 Capacity (mAh)approx. 165 Dimensions (Ø x H, mm)approx. 11.6 x 5.4 Weight (g)approx. 2.3 RechargeableNo  FAQs about the Varta V303 watch batteryWhat does the designation SR44SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "44" for the dimensions, and "SW" at the end denotes a "low drain" version. This is specially optimized for devices with low and constant current consumption, such as wristwatches.Can I replace an LR44 alkaline battery with this V303?Yes, this is possible in almost all cases and is a significant upgrade. The V303 (SR44SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. For high-quality watches, the use of a silver oxide battery such as the V303 is expressly recommended.What is the difference between a V303 (SR44SW) and a V357 (SR44)?Both batteries are silver oxide cells of the same size. The V303 (SR44SW) is a "low drain" cell for the low, constant current demand of watches. The V357 (SR44) is a "high drain" cell for devices that require more current for short periods, such as calculators with a display or electronic toys.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or the municipal recycling centres to ensure environmentally friendly recycling.

The Varta V394, internationally standardised as SR936SW, is a premium silver oxide button cell that has been specially optimised for the requirements of classic analogue watches. As a "low drain" battery, it is designed for a low and constant energy output, which guarantees an exceptionally long service life. With its stable voltage of 1.55 V and high capacity, it ensures the maximum accuracy of your high-quality timepiece for years to come.Highlights at a glancePremium quality: High-quality silver oxide technology for reliable performance.Low drain optimised: Perfect for the low, constant energy requirements of analogue watches.Extremely long service life: High capacity ensures a running time of several years.Highest accuracy: Stable voltage of 1.55 V ensures the precision of the movement.Tested quality: High leakage safety and reliability from Varta.Precision energy for classic analogue watchesThe Varta V394 was developed specifically for use in analogue quartz watches without additional functions such as lighting or alarms. Its cell chemistry specialises in supplying a minimal but constant current over a very long period of time, as is typical for the operation of a mechanical movement. This makes it the ideal and most durable choice for a variety of high-quality ladies' and men's wristwatches.Reliable silver oxide technology (low drain)The "Low Drain" technology of the V394 focuses on maximum energy efficiency and extremely low self-discharge. In contrast to "high drain" batteries, which are designed for short-term high power output, everything here is optimised for maximum service life with low load. The silver oxide base guarantees a constant voltage until the end of the service life, preventing the loss of accuracy that can occur with alkaline batteries.Efficiency and safety with systemEvery Varta battery undergoes strict quality controls to guarantee maximum performance and safety. The V394 is optimally protected against leaking thanks to its high-quality construction, which protects your valuable movement from damage. The secure individual packaging also prevents short circuits and protects the cell from environmental influences until use. Characteristics  ModelVarta V394 / SR936SW Battery typeSilver oxide watch battery Nominal voltage (V)1.55 Capacity (mAh)42 Diameter (mm)9.5 Height (mm)3.6 Weight (g)0.8 Alternative designationsSR936SW, V394, D394, SR936, 280-17  FAQs about the Varta V394 / SR936SW button cellWhat do the designations SR936SW or 394 stand for?These are designations for the same battery. SR936SW is the international IEC standard. "S" stands for silver oxide, "R" for the round shape, "936" for the dimensions (9.5 mm diameter and 3.6 mm height) and the "SW" indicates a "low drain" battery for watches. The 394 is the specific type number of the manufacturer Varta.What does "Low Drain" mean and for which watches is this battery suitable?"Low drain" means that the battery is optimised for low, constant power consumption. It is the ideal choice for classic, analogue wristwatches without energy-intensive additional functions such as dial illumination, stopwatch or alarm tones. In these watches, it achieves the maximum possible service life.Can I use this battery in a watch with a light or stopwatch?This is not recommended. A "high drain" battery (with the suffix "W", e.g. V380 / SR936W) is the correct choice for watches with additional functions that require a lot of power for a short time. The use of a low drain battery in such a watch can lead to malfunctions and drastically shorten the life of the battery.How should this button cell be disposed of?Button cells must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The VARTA CR2032 is a high-quality 3-volt lithium button cell and the world's most widely used battery for small electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers an extremely reliable and long-lasting power supply. Supplied in a protective single blister, it is the ideal choice for a wide range of devices, from computer mainboards to remote controls and medical devices.Highlights at a glanceReliable performance: Constant energy output for the flawless functioning of your electronic devices.Universally applicable: The global standard for a huge variety of applications.Long shelf life: With up to 10 years of shelf life, extremely durable and always ready for use.Wide temperature range: Works reliably even under demanding thermal conditions from -20 °C to +70 °C.Safe packaging: The childproof single blister guarantees freshness and protects the cell until use.Reliable power for compact electronicsThe VARTA CR2032 is the preferred energy source for countless everyday and professional devices where a compact size and absolute reliability are crucial. Its main field of application is buffering BIOS/UEFI settings (CMOS) on computer motherboards. You will also find it in car keys, remote controls, scales, medical devices (e.g. blood glucose meters) and fitness sensors (e.g. heart rate belts).Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum operational readiness even after many years of storage and a very long service life in use. This technology is the key to reliability in maintenance-free "fit and forget" applications.Developed for maximum reliability and safetyThe CR2032 is manufactured to the highest quality standards to ensure maximum reliability and leakage resistance. This protects your valuable electronic devices from damage. The protective and childproof single blister ensures that the battery maintains its full performance until use and can be stored safely from short circuits and external influences.Characteristics                                                                                                                                                          Model              VARTA lithium button cell CR2032 (single blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              230               Diameter (mm)              20.0               Height (mm)              3.2               Weight (g)              3.0        FAQs about the VARTA lithium battery CR2032What does the designation CR2032 mean?The designation gives information about the properties and size of the cell. "C" stands for the lithium chemistry, "R" for the round design. The numbers "2032" stand for the dimensions: 20.0 mm in diameter and 3.2 mm in height.Is this battery rechargeable?No. This is a primary lithium battery. Under no circumstances should you attempt to recharge it. Attempting to charge is extremely dangerous and can lead to fire or explosion.What is the advantage over alkaline or silver oxide button cells?The main advantage is the high voltage of 3 volts in one cell, while alkaline and silver oxide cells only provide 1.5 or 1.55 volts. In addition, lithium cells offer a significantly longer shelf life, a higher capacity and a broader operating temperature range.How should this battery be disposed of?Batteries must not be disposed of in household waste. Please return the empty battery to the designated collection points in stores or municipal recycling centres to ensure environmentally responsible disposal.

The VARTA CR2025 is a high-quality 3-volt lithium button cell and is one of the most widely used battery types for a variety of electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it provides a reliable and long-lasting energy supply. Supplied in a protective individual blister, it is the ideal choice for remote controls, medical devices, fitness trackers, and many other everyday devices.Highlights at a glanceReliable performance: Constant energy output for flawless operation of your electronic devices.Universally usable: One of the most common button cells for a wide range of applications.Long shelf life: With up to 10 years of shelf life, extremely durable and always ready for use.Wide temperature range: Works reliably even under demanding thermal conditions from -20 °C to +70 °C.Secure packaging: The child-resistant individual blister guarantees freshness and protects the cell until use.Reliable energy for compact electronicsThe VARTA CR2025 is the preferred power source for numerous everyday and professional devices where compact size and reliability are crucial. Its main area of use is in remote controls, medical devices (e.g. blood glucose meters), fitness sensors (e.g. heart rate belts), scales and as a backup battery for storing settings (CMOS) in computers and industrial systems.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single, flat cell. It is characterized by extremely low self-discharge, which ensures the long shelf life of up to 10 years. This technology guarantees stable performance over most of the battery's lifespan and excellent performance even at fluctuating temperatures.Developed for maximum reliability and safetyThe CR2025 is produced to the highest quality standards to ensure maximum reliability and leak-proofing. This protects your valuable electronic devices from damage. The protective and child-resistant individual blister ensures that the battery retains its full performance until use and can be safely stored protected from short circuit and external influences. Characteristics                                                                                                                                                        Model              VARTA lithium button cell CR2025 (individual blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              170               Diameter (mm)              20.0               Height (mm)              2.5               Weight (g)              2.5        FAQs about the VARTA Lithium Battery CR2025What does the designation CR2025 mean?The designation gives information about the properties and the size of the cell. "C" stands for lithium chemistry, "R" for the round shape. The numbers "2025" denote the dimensions: 20.0 mm in diameter and 2.5 mm in height.Is this battery rechargeable?No. This is a primary lithium battery. Under no circumstances should it be attempted to recharge it. Charging attempts are extremely dangerous and may result in fire or explosion.What is the advantage over alkaline or silver oxide button cells?The main advantage is the high voltage of 3 volts in a single cell, while alkaline and silver oxide cells provide only 1.5 or 1.55 volts. In addition, lithium cells offer a significantly longer shelf life and a wider temperature range.How must this battery be disposed of?Batteries must not be disposed of in household waste. Please dispose of the empty battery at the designated collection points in stores or municipal recycling centres for environmentally friendly disposal.

The VARTA CR2016 is a high-quality 3-volt lithium button cell and is one of the most widely used battery types for a wide range of small electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers reliable and long-lasting energy supply in a very flat design. Supplied in protective individual blister packaging, it is the ideal choice for car keys, scales, remote controls, and many other everyday devices.Highlights at a GlanceReliable performance: Consistent power output for flawless operation of your electronic devices.Universally usable: One of the most common button cells for a broad range of applications.Long shelf life: With a shelf life of up to 10 years, extremely durable and ready to use at any time.Wide temperature range: Works reliably even under demanding thermal conditions.Secure packaging: The childproof individual blister guarantees freshness and protects the cell until use.Reliable Power for Compact ElectronicsThe VARTA CR2016 is the preferred power source for countless everyday devices where compact size and reliability are crucial. Its main field of use is remote keys for vehicles, personal and kitchen scales, calculators, small remote controls, and in medical devices such as digital clinical thermometers. It also serves as a backup battery in cameras and organisers.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) allows for a high nominal voltage of 3 volts in a single, very flat cell. It is characterised by extremely low self-discharge, ensuring long shelf life of up to 10 years. This technology guarantees stable performance for a large portion of the battery lifespan and excellent performance even under fluctuating temperatures.Designed for Maximum Reliability and SafetyThe CR2016 is manufactured according to the highest quality standards to guarantee maximum reliability and leak protection. This safeguards your valuable electronic devices from being damaged. The protective and childproof individual blister ensures the battery retains full performance until use and can be safely stored protected from short circuits and external influences. Characteristics                                                                                                                                                        Model              VARTA Lithium Button Cell CR2016 (Single Blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              90               Diameter (mm)              20.0               Height (mm)              1.6               Weight (g)              1.6        FAQs about the VARTA Lithium Battery CR2016What does the designation CR2016 mean?The designation gives information about the characteristics and size of the cell. “C” stands for the lithium chemistry, “R” for the round shape. The numbers “2016” represent the dimensions: 20.0 mm in diameter and 1.6 mm in height.Can I use two CR2016 instead of one CR2032?Although two CR2016 cells (2 x 1.6 mm = 3.2 mm) stacked have the same height as a CR2032 cell (3.2 mm) and the same voltage, this is strongly discouraged. Contact between the two cells is often unreliable and may cause malfunctions or damage to the device. Always use the battery type specified by the manufacturer.Is this battery rechargeable?No. This is a primary lithium battery. It must never be recharged under any circumstances. Attempting to charge it is extremely dangerous and may result in fire or explosion.How should this battery be disposed of?Batteries must not be disposed of in household waste. Please take the empty battery to the appropriate collection points in shops or municipal recycling centres to ensure environmentally sound recycling.

The VARTA CR1620 is a high-quality 3-volt lithium button cell, developed for reliable and long-lasting power supply in a wide range of modern, compact electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers high energy density in a very flat design. Supplied in a protective single blister, it is the ideal choice for car keys, remote controls and computer mainboards.Highlights at a glanceReliable performance: Constant energy output for the flawless operation of your small devices.Long shelf life: With up to 10 years shelf life, extremely durable and always ready for use.Wide temperature range: Works reliably even under demanding thermal conditions.Compact, flat design: Ideal for particularly slim electronic devices.Secure packaging: The child-safe single blister guarantees freshness and protects the cell until use.Reliable energy for compact electronicsThe VARTA CR1620 is the preferred power source for a wide range of everyday devices where compact size and reliability are crucial. Its main field of application is in car remote controls, small remote controls for garage doors or alarm systems as well as a CMOS battery for computer mainboards to maintain BIOS settings. It is also used in medical devices, calculators and electronic organisers.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single, very flat cell. It is characterised by extremely low self-discharge, which ensures a long shelf life of up to 10 years. This technology guarantees stable performance over most of the battery’s life and excellent performance even at fluctuating temperatures.Developed for maximum reliability and safetyThe CR1620 is manufactured to the highest quality standards to ensure maximum reliability and leak protection. This protects your valuable electronic devices from damage. The protective and child-safe single blister ensures that the battery retains its full power until use and can be stored safely from short circuits and external influences. Characteristics                                                                                                                                                        Model              VARTA lithium button cell CR1620 (single blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3,0               Capacity (mAh)              70               Diameter (mm)              16,0               Height (mm)              2,0               Weight (g)              1,2        FAQs about the VARTA lithium battery CR1620What does the designation CR1620 mean?The designation provides information about the characteristics and size of the cell. "C" stands for lithium chemistry, "R" for the round form. The numbers "1620" represent the dimensions: 16.0 mm in diameter and 2.0 mm in height.Is this battery rechargeable?No. This is a lithium primary cell. Recharging must not be attempted under any circumstances. Attempts to recharge are extremely dangerous and can result in fire or explosion.What is the advantage compared to alkaline or silver oxide button cells?The main advantage is the high voltage of 3 volts in a single cell, while alkaline and silver oxide cells only supply 1.5 V and 1.55 V respectively. In addition, lithium cells offer a significantly longer shelf life and a wider operating temperature range.How should this battery be disposed of?Batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in stores or municipal recycling centres to ensure environmentally friendly recycling.

The Varta High Energy 4001, internationally known as LR1 or N-size, is a powerful alkaline battery for compact devices with high energy requirements. As part of the Varta High Energy series, it has been specially developed for applications that require a powerful and reliable energy source. With a voltage of 1.5 V and the proven Varta quality "Made in Germany", it is the ideal choice for a wide range of demanding electronic devices.Highlights at a glancePowerful energy: Optimised for devices with high and fluctuating energy requirements.Versatile application: Ideal for medical devices, safety technology and compact electronics.Long shelf life: Guarantees a storage time of up to 10 years and is therefore always ready for use.Guaranteed quality: Proven Varta product performance, manufactured in Germany.Safe packaging: The "Single Press Out" packaging enables easy removal and safe storage of unused batteries.Powerful performance for demanding devicesThe Varta High Energy LR1 provides the necessary energy for devices where performance and reliability are crucial. It is used in medical devices such as blood pressure monitors and blood glucose meters, in security technology for remote controls for car alarm systems or garage doors as well as in compact LED torches, laser pointers and cordless mice. Their ability to deliver consistently high power ensures that these important everyday aids function perfectly.Reliable alkaline technologyThe alkaline-manganese technology (Zn/MnO2) stands for an excellent price-performance ratio and high energy density. Compared to conventional zinc-carbon batteries, the Varta High Energy offers a significantly higher capacity, better performance at low temperatures and superior leakage protection. The high-quality workmanship reliably protects your devices from damage caused by leaking batteries.Efficiency and safety with systemVarta batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The Varta High Energy series is manufactured in Germany and stands for the highest product standards. The sophisticated packaging protects the batteries not only from environmental influences, but also ensures safe and easy handling. Properties  ModelVarta High Energy 4001 / LR1 Battery typeAlkaline Nominal voltage (V)1.5 IECLR1 Dimensions (Ø x L, mm)12 x 30.2 Weight (g)7.5 Alternative designationsN-cell, AM5, E90  FAQs about the Varta High Energy LR1 batteryWhat do the designations LR1, N, 4001 or Lady stand for?These are all designations for the same battery size. LR1 is the international IEC standard for this alkaline cell. N is the ANSI size designation, "Lady" is a common name and 4001 is the specific type number of the manufacturer Varta. All designations are compatible with each other.What does the "High Energy" series from Varta mean?"High Energy" is the Varta product line for alkaline batteries, which is optimised for devices with high energy requirements such as toys, audio devices or LED torches. It offers a powerful and long-lasting energy solution for all applications where standard batteries reach their limits.How long can this battery be stored?Varta High Energy Alkaline batteries are characterised by very low self-discharge. When stored correctly in a cool, dry place, Varta guarantees a shelf life of up to 10 years without any significant loss of capacity.What is the difference to a zinc-carbon battery of the same size?The difference is considerable. Alkaline batteries such as Varta High Energy offer three to five times the capacity, a longer service life, better performance in cold conditions and significantly higher leakage safety compared to outdated zinc-carbon batteries. The use of alkaline batteries is generally recommended for modern electronic devices.How should this battery be disposed of?Batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V364, internationally known as SR621SW, is one of the most popular premium silver oxide button cells, specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V and an optimised capacity of 18 mAh, it ensures maximum accuracy and protects your valuable watch movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V364 is a widely used energy source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for low, constant current consumption, which is typical for movements without additional functions. Its compact size makes it the perfect choice for a wide range of women's and men's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V364 offers decisive advantages. The voltage remains stable over almost the entire lifetime of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small size. Thanks to minimal self-discharge, the battery is also extremely long-lasting in storage.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V364 cell provides reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuables. Characteristics  ModelVarta V364 / SR621SW TechnologySilver oxide-zinc (Low Drain) SizeSR621SW / 364 Nominal voltage (V)1.55 Capacity (mAh)approx. 19 Dimensions (Ø x H, mm)approx. 6.8 x 2.1 Weight (g)approx. 0.3 RechargeableNo  FAQs about the Varta V364 watch batteryWhat does the designation SR621SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "621" for the dimensions (6.8 mm x 2.15 mm) and the "SW" at the end marks a "Low Drain" version. This is specially optimised for devices with low and constant current consumption, such as wristwatches.Is this battery compatible with the designation SR60SW?The Varta 364 corresponds to the internationally standardised IEC designation SR621SW. The designation SR60SW is not standardised. Please check the number on your old battery. If it says 364 or SR621SW, this is the correct replacement.Can I replace an LR621 alkaline battery with this V364?Yes, this is possible in almost all cases and represents a clear upgrade. The V364 (SR621SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. For high-quality watches, the use of a silver oxide battery such as the V364 is strongly recommended.How should this watch battery be disposed of?Watch batteries must not be disposed of in household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Camelion CR1220 (CAMCR1220B5) is a high-quality 3-volt lithium button cell that is known for its reliable energy delivery and long shelf life. The abbreviation "B5" in the article number typically stands for the packaging unit as a pack of 5 blister (tear-strip), making it ideal for storage or use in devices that require multiple cells.This battery of size CR1220 (12.5 mm diameter / 2.0 mm height) offers high energy density in the smallest of spaces. It is the standard power source for a variety of small electronic devices in the home, office and medical field. Thanks to stable lithium technology (Li-MnO2) it delivers a constant 3 volts and is extremely temperature stable.Highlights at a GlanceLong shelf life: Camelion lithium button cells have a very low self-discharge rate (approx. 1-2% per year). They are storable for up to 10 years without significant loss of performance.High energy density: Despite their small size, the cell supplies a constant voltage of 3.0 Volt and a capacity of approx. 35 - 40 mAh.Wide temperature range: Can be used from -20°C to +60°C, making it ideal for car keys (winter cold) or outdoor sensors.Leak-proof: The robust housing construction prevents electrolyte leakage and protects your valuable small devices from corrosion.Environmentally friendly: Free from mercury (0% Hg) and cadmium (0% Cd).Fields of ApplicationThe CR1220 is a specific size that is often not found on supermarket shelves, but is needed in many devices:Watches: Wristwatches (digital/analogue) and small travel alarm clocks.Car keys: Remote controls for central locking (often for older Japanese or American models).Computer: As a CMOS buffer battery (BIOS) in laptops and netbooks (where the larger CR2032 does not fit).Medical technology: Blood glucose meters, digital clinical thermometers.Toys: Tamagotchis, small LED lights, calculators.Photo: Camera date backs.Assembly & Safety InstructionsObserve polarity: The flat side with the inscription ("Camelion CR1220 3V") is the positive terminal (+). The underside is the negative terminal. Always insert the battery the correct way round.Do not grip with metal tweezers: Do not touch both flat sides of the button cell at once with metal tweezers when replacing. This causes a short circuit that can discharge the battery in seconds. Use plastic tweezers or hold it only at the edge.Warning against swallowing: Button cells are life-threatening for young children! Keep out of reach. If swallowed, call emergency services immediately (danger of caustic burns).Disposal: Lithium batteries do not belong in household waste. Take empty cells to the green collection boxes in stores or the recycling centre. Features Model / ReferenceCamelion CR1220 (IEC Standard) Chemical system**Lithium manganese dioxide** (LiMnO2) Nominal voltage**3.0 V** Nominal capacityapprox. **35 - 40 mAh** (typical for this size) Dimensions (IEC)Ø **12.5 mm** x height **2.0 mm** Weightapprox. **0.8 g** (extremely light) Packaging unit**5 units** per blister card (tear-off strip) Typical applicationsCar keys, calculators, TAN generators, motherboards (laptops) Shelf lifeUp to 10 years Alternative designationsDL1220, ECR1220, SB-T13, 5012LC  FAQs about the Camelion CR1220Is CR1220 the same as CR2032?No. The numbers indicate the size:CR1220: 12 mm wide, 2.0 mm high.CR2032: 20 mm wide, 3.2 mm high (much larger). They do not physically fit in each other's compartments.Can I use a CR1216 or CR1225?CR1216: Has the same diameter (12mm), but is thinner (1.6mm). It often has loose contact.CR1225: Is thicker (2.5mm). It usually doesn't fit in the slot or presses too hard on the contacts. Always use exactly the type CR1220.What does "DL1220" mean on my old battery?DL is simply the designation of the manufacturer Duracell. A Camelion CR1220 is technically 100% compatible and replaces any DL1220.

The VARTA CR1220 is a high-quality 3-volt lithium button cell developed for reliable and long-lasting power supply in a wide variety of modern, compact electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers high energy density in a very flat design. As a loose cell, it is ideal for initial equipment (OEM) and for direct use by commercial users.Highlights at a glanceIndustrial quality: Guarantees constant and reliable performance for professional equipment and mass production.Long shelf life: With up to 10 years shelf life, perfect for stockpiling with minimal self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Compact, flat design: Ideal for particularly slim electronic devices and modules.Tested reliability: Each cell meets the highest quality standards for maximum performance.Reliable power for compact electronicsThe VARTA CR1220 is the preferred power source for a wide range of professional and industrial devices where compact size and reliability are critical. Its main areas of application are personal and kitchen scales, remote keys for vehicles, calculators and medical devices such as blood glucose meters. In addition, it serves as a backup battery for retaining settings and times in a variety of electronic devices.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) offers a high nominal voltage of 3 volts in a single cell. It is characterised by an extremely low self-discharge, which ensures a long shelf life of up to 10 years. This technology guarantees stable performance over most of the battery life and excellent performance even at fluctuating temperatures.Developed for industrial integrationAs an unpackaged single cell, the CR1220 is intended for direct processing in industrial production (OEM) or for needs-based use in service and maintenance. This reduces packaging waste and optimises workflows for professional users who depend on consistently high quality and easy handling. Characteristics                                                                                                                                                        Model              VARTA lithium button cell CR1220               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              35               Diameter (mm)              12.5               Height (mm)              2.0               Weight (g)              0.8        FAQs on the VARTA lithium battery CR1220What does the designation CR1220 mean?The designation provides information about the properties and size of the cell. "C" stands for the lithium chemistry, "R" for the round shape. The numbers "1220" stand for the dimensions: 12.5 mm in diameter and 2.0 mm in height.Is this battery rechargeable?No. This is a lithium primary battery. It must not be recharged under any circumstances. Attempts to charge are extremely dangerous and may lead to fire or explosion.Is this cell suitable for industrial assembly?Yes, as a loose cell it is ideal for manual or automated assembly in volume production. For a fixed solder connection, it can also be fitted with customised solder tabs.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take the empty battery to the designated industrial or municipal collection points to ensure proper and environmentally friendly recycling.

The Rayovac 13AC hearing aid battery (size 13, colour code orange) in a practical blister pack of 6 is the proven and long-lasting power source for a wide range of modern hearing systems. Rayovac As one of the absolute market leaders in hearing aid acoustics, Rayovac stands for uncompromising quality, constant innovation and maximum reliability in everyday use.Equipped with advanced zinc-air technology (Zinc-Air) and the powerful "Active Core Plus" architecture, size 13 delivers a particularly high and stable energy yield. It is the ideal choice for classic behind-the-ear (BTE) devices and easily handles the high power requirements of digital hearing aids that are regularly used for wireless or Bluetooth streaming.Highlights at a glanceColour code orange (size 13): The globally standardised colour coding makes replacement absolutely safe - if your old blister or battery compartment says "Orange" or "13", this is the perfect cell.High power reserves: The size 13 offers significantly more capacity than the small 10 batteries and is ideal for demanding hearing situations and continuous streaming.Zinc-air technology: The battery only becomes active when the orange freshness seal is removed and atmospheric oxygen enters the housing.Long shelf life: Unopened and with the seal intact, you can easily store these Rayovac batteries for up to 4 years without any loss of performance.Practical blister design: The robust rotary disc blister (dial pack) makes it easy to remove individual batteries while the remaining cells remain safely packed.Leak-proof: A high-quality, rustproof stainless steel housing reliably protects the sensitive and expensive electronics of your hearing aid from corrosion.Areas of applicationSize 13 (orange) is the versatile standard for slightly more powerful devices:Behind-the-ear hearing aids (BTE): The most commonly used battery size for classic BTE systems with normal to high amplification requirements.Larger in-the-ear hearing aids (ITE): For models that fill the entire auricle (concha devices) and offer more space for a long-lasting battery.Streaming & networking: Provides the necessary stability for hearing aids that are paired daily with the smartphone, TV adapter or external microphones.Assembly & safety instructionsActivation time (very important!): Peel off the orange sticker and leave the battery in place Rest in the air for 1 to 2 minutesbefore you insert them into the hearing aid. Oxygen from the ambient air is required to build up the full operating voltage of 1.45 V.Keep the freshness seal intact: Do not remove the tab until immediately before inserting. Once the seal has been removed, the battery will slowly discharge itself, even if you press the label back on.Optimum storage: Store your battery supplies at room temperature (ideally 10°C to 25°C) in a dry place. The refrigerator is harmful as condensation can form under the sticker.Environmentally friendly disposal: Empty zinc-air batteries do not belong in normal household waste. Use the battery collection containers at your hearing care professional, supermarket or recycling centre. Features Model / TypeRayovac Extra Type 13 (13AC) Colour code**Orange** (standard for size 13) Technology**Zinc-Air** (Zinc-Air) Nominal voltage**1,45 V** Nominal capacity**310 mAh** Dimensions (Ø x H)**7.9 mm x 5.4 mm** Packaging unit**blister of 6** DurabilityUp to 4 years (shelf life) Comparison typesPR48, DA13, V13A, A13, 13A, L13ZA  FAQs about the Rayovac 13AC blister packHow long will a size 13 battery last in my hearing aid?This depends heavily on individual use. As the size 13 offers almost three times as much capacity as a small size 10 battery, it generally lasts significantly longer. On average, you can expect a service life of 6 to 14 days count on. Frequent Bluetooth streaming (e.g. making phone calls or listening to music via the hearing aid) shortens this time accordingly.Does this battery fit Phonak, Signia or Widex devices?Yes, unrestricted. The sizes of hearing aid batteries are strictly standardised internationally. Regardless of which manufacturer your hearing system comes from (Audio Service, Phonak, Signia/Siemens, Starkey, Oticon etc.) - if your device requires a 13 battery or a orange markings, this Rayovac battery fits 100%.Why does my hearing aid report "battery empty" shortly after insertion?The most common reason is that the activation time is too short. If you peel off the orange sticker, insert the battery immediately and close the compartment, not enough oxygen could get into the cell. The hearing aid then measures an undervoltage and issues a warning. Simply remove the battery again, wait 2 minutes in the fresh air and try again.

The Rayovac 10AC hearing aid battery (size 10, colour code yellow) in the practical 6-pack blister is the premium choice for users of extremely small in-the-ear hearing aids (ITE/CIC). Rayovac is one of the world’s leading and most innovative manufacturers in hearing aid acoustics and stands for unrivalled reliability and consistent performance.Thanks to advanced zinc-air technology (Zinc-Air) and the "Active Core Plus" architecture, this tiny battery delivers extremely high energy density. It reliably and distortion-free powers modern, digital hearing aids with wireless or Bluetooth functions, allowing you to rely on clear hearing and understanding in every situation.Highlights at a GlanceColour code yellow (size 10): Globally standardised colour coding, making re-purchasing extremely easy – if your device requires “yellow”, this is the right battery.Maximum runtime: The optimised cell construction offers a constant voltage level and well above-average service times, even with demanding hearing aids.Zinc-Air technology: The battery activates itself automatically through contact with oxygen as soon as the protective sticker is removed.Long shelf-life: Unopened and with an intact seal, Rayovac batteries can be stored for up to 4 years without any significant loss of performance.Convenient blister: The practical rotary dial packaging (Dial-Pack) enables safe, single removal of the batteries while the rest remain protected.Corrosion-free: The high-quality stainless steel case prevents leakage and protects the delicate electronics of your hearing aid.Areas of ApplicationSize 10 (yellow) is the smallest standard hearing aid battery and specially designed for:In-the-ear hearing aids (ITE): Especially for the tiny CIC devices (Completely in Canal) and IIC devices (Invisible in Canal) which sit deep in the ear canal.Mini behind-the-ear devices (BTE): Very compact and discreet BTE models with thin sound tube (RIC/RITE).Digital streaming devices: Provides the required power reserves for devices that connect to smartphones or televisions.Assembly & Safety InstructionsActivation time (very important!): Remove the yellow sticker and ensure the battery “breathes” in air for 1 to 2 minutes before inserting it into the hearing aid. The battery requires this oxygen to build up its full voltage of 1.45 V.Fresh seal: Only remove the sticker immediately before use. Once pulled off, the chemical discharge process begins, even if you put the sticker back on.Storage: Store the blister packs at normal room temperature (approx. 10°C to 25°C) in a dry location. The fridge is not suitable, as condensation can damage the freshness seal.Disposal: Zinc-air batteries must not be disposed of in household waste. Place empty cells (often recognisable by missing sticker) in battery recycling boxes at your hearing care professional or supermarket. Features Model / TypeRayovac Extra Type 10 (10AC) Colour code**Yellow** (standard for size 10) Technology**Zinc-Air** (Zinc-Air) Nominal voltage**1.45 V** Nominal capacity**100 mAh** Dimensions (Ø x H)**5.8 mm x 3.6 mm** Packaging unit**6-pack blister** Mercury-freeYes (Mercury Free) Comparison typesPR70, DA10, V10A, A10, 10A, L10ZA FAQs about the Rayovac 10AC blisterHow long does a size 10 battery last in my hearing aid?This depends greatly on individual usage. Because size 10 is extremely small, it holds less energy than larger models. On average, it lasts about 3 to 7 days. The exact runtime varies depending on hours worn per day, the set volume, surrounding noise level, and use of Bluetooth streaming.Does this battery fit Phonak, Signia or Widex devices?Yes, without restriction. Hearing aid batteries are completely standardised. Regardless of your hearing aid manufacturer (Audio Service, Phonak, Signia/Siemens, Starkey, Widex etc.) – if your old packaging says “10” or the tab is Yellow, this Rayovac battery is a perfect fit.My hearing aid warns shortly after inserting that the battery is empty. Is it faulty?Most often this is due to too short an activation time. If you remove the yellow sticker and immediately insert the battery and close the battery compartment, not enough oxygen could flow into the cell. The device will then measure too low a voltage. Take the battery out again, wait 2 minutes and try again.

The VARTA CR2032 with soldering pins is an industrially assembled 3-volt lithium button cell, optimised for direct and permanent mounting on printed circuit boards (PCBs). Based on proven lithium-manganese dioxide technology (Li-MnO2), it offers an extremely reliable and long-lasting energy supply for memory backup applications. As a loose cell ("bulk") with factory-applied soldering pins, it is the ideal component for initial equipment (OEM) of computers, industrial controllers and other professional electronic assemblies.Highlights at a glanceIndustrial assembly: Factory-applied soldering pins for simple, quick and process-safe PCB mounting.Maximum reliability: The global standard for soldered CMOS and RTC backup applications.Extreme longevity: Up to 10 years shelf life thanks to extremely low self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested quality: Every cell meets the highest quality standards for maximum performance and leak safety.Reliable energy for data retentionThe VARTA CR2032 with soldering pins is the preferred power source for buffering BIOS/UEFI settings (CMOS) and real-time clocks (RTC) on motherboards where a soldered connection is required. Its main area of application is computer technology, in industrial PCs, servers, programmable logic controllers (PLCs) and in a wide variety of embedded systems. It reliably ensures that configuration data and system time are retained for years even without external power supply.Superior lithium-manganese dioxide technologyLithium-manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and an extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum operational readiness even after many years of storage and a very long service life in use. This technology is the key to reliability in maintenance-free "fit and forget" applications.Developed for industrial integrationAs an unpackaged and pre-assembled single cell, the CR2032 with soldering pins is optimised directly for processing in industrial manufacturing (OEM). The soldering pins enable a stable and permanent connection to the printed circuit board. This reduces packaging waste, simplifies assembly and optimises workflows for professional users who rely on consistently high quality. Features                                                                                                                                                                              Model              VARTA lithium button cell CR2032 with soldering pins               Battery type              Lithium-manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              230               Diameter (mm)              20.0               Height (mm)              3.2               Weight (g)              3.0               Connection              Soldering pins        FAQs about the VARTA lithium battery CR2032 with soldering pinsWhat are the advantages of the permanently attached soldering pins?The factory-applied soldering pins guarantee a high-quality and permanent connection to the cell. They save the manual or mechanical process of attaching contacts in manufacturing, which increases process reliability and shortens production time. In addition, the pin configuration is standardised and fits common PCB layouts.What does "bulk" mean?"Bulk" means that the batteries are supplied as loose goods in packaging units suitable for industrial use (e.g. in trays or cartons) and not in separate end-consumer packaging such as a blister pack. This is ideal for industrial manufacturing (OEM).Is this battery rechargeable?No. This is a lithium primary battery. It must not be recharged under any circumstances. Attempts to charge are extremely dangerous and can cause fire or explosion.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the Battery Act. As it is permanently soldered, it must as a rule be disposed of together with the entire electronic assembly as electronic waste.

The Varta V301, internationally known as SR43SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and a high capacity of 100 mAh, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: High capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V301 was specially designed for use in analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, as is typical for watch movements. In addition to watches, this battery is also ideal for a variety of other electronic precision instruments such as digital calipers, where a constant power supply is essential for accurate measurement results.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V301 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V301 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Battery features  ModelVarta V301 / SR43SW TechnologySilver oxide zinc SizeSR43SW / 301 Nominal voltage (V)1.55 Capacity (mAh)approx. 110 Dimensions (Ø x H, mm)approx. 11.6 x 4.2 Weight (g)approx. 1.9 RechargeableNo  FAQs about the Varta V301 watch batteryWhat does the designation SR43SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "43" for the dimensions and the "SW" at the end identifies a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Can I replace an LR43 alkaline battery with this V301?Yes, this is possible in almost all cases and represents a significant upgrade. The V301 (SR43SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. The use of a silver oxide battery such as the V301 is strongly recommended for high-quality watches.What is the difference between a V301 (SR43SW) and a V386 (SR43)?Both batteries are silver oxide cells of the same size. The V301 (SR43SW) is a "low drain" cell for the low, constant current requirements of watches. The V386 (SR43) is a "high drain" cell for devices that require more power for short periods, such as calculators with displays or electronic toys.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V309, internationally known as SR48SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and a high capacity of 105 mAh, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: High capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V309 was specially designed for use in analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, as is typical for watch movements. In addition to watches, this battery is also ideal for a wide range of other electronic precision instruments where a constant power supply is essential for accurate measurement results.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V309 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta Watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V309 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Characteristics  ModelVarta V309 / SR48SW TechnologySilver oxide-zinc SizeSR48SW / 309 Nominal voltage (V)1.55 Capacity (mAh)approx. 40 Dimensions (Ø x H, mm)approx. 7.9 x 3.1 Weight (g)approx. 0.7 RechargeableNo  FAQs about the Varta V309 watch batteryWhat does the designation SR48SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "48" for the dimensions and the "SW" at the end characterises a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Can I replace an LR48 alkaline battery with this V309?Yes, this is possible in almost all cases and represents a significant upgrade. The V309 (SR48SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. The use of a silver oxide battery such as the V309 is strongly recommended for high-quality watches.What is the difference between a V309 (SR48SW) and a V393 (SR48)?Both batteries are silver oxide cells of the same size. The V309 (SR48SW) is a "Low Drain" cell for the low, constant current requirement of watches. The V393 (SR48) is a "High Drain" cell for devices that require more current for a short period, such as calculators with display or electronic toys.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V315, internationally known as SR626SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of small and flat wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity, it ensures maximum accuracy and protects your valuable movement.Highlights at a GlancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementCompact design: Ideal for small and flat wristwatchesPrecision energy for high-quality watchesThe Varta V315 was specially designed for use in analogue and digital quartz watches with small movements. Its cell chemistry is optimised for low, constant power consumption, which is characteristic of these types of clocks. Its compact size makes it the perfect choice for elegant ladies’ and men’s watches that require the thinnest possible design.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V315 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery is also extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V315 cell offers reliable protection against leakage and thus preserves the sensitive movement from damage. Trust proven quality for your valuable devices. Characteristics  ModelVarta V315 / SR626SW TechnologySilver oxide-zinc SizeSR626SW / 315 Nominal voltage (V)1.55 Capacity (mAh)approx. 26 Dimensions (Ø x H, mm)approx. 6.8 x 2.6 Weight (g)approx. 0.35 RechargeableNo  FAQs about the Varta V315 watch batteryWhat does the designation SR626SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "626" for the dimensions (6.8 mm x 2.6 mm) and the "SW" at the end denotes a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR67SW?The correct and common IEC designation for the Varta 315 is SR626SW. A battery with the designation SR67SW would have different dimensions (6.8 mm x 2.1 mm) and is a different battery type (Varta V319). Please check the number on your old battery to find the suitable replacement.Can I replace an LR626 alkaline battery with this V315?Yes, this is possible in almost all cases and represents a significant upgrade. The V315 (SR626SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. For high-quality watches, the use of a silver oxide battery such as the V315 is expressly recommended.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V317, internationally known as SR516SW, is a premium silver oxide button cell in a particularly small design, specially developed for the precise requirements of delicate wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity, it ensures maximum accuracy and protects your valuable watch movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for highest accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementMiniaturised design: Ideal for very small and flat wristwatchesPrecision energy for delicate watchesThe Varta V317 was specially designed for use in analogue and digital quartz watches with very small movements. Its cell chemistry is optimised for low, constant current consumption, as is characteristic for these types of watches. Its extremely compact size makes it the perfect choice for elegant and delicate ladies' and men's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V317 offers decisive advantages. The voltage remains stable over almost the entire life of the battery, ensuring the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V317 cell provide reliable protection against leakage, preserving the sensitive watch movement from damage. Trust in proven quality for your valuable devices. Features  ModelVarta V317 / SR516SW TechnologySilver oxide zinc SizeSR516SW / 317 Nominal voltage (V)1.55 Capacity (mAh)approx. 12 Dimensions (Ø x H, mm)approx. 5.8 x 1.6 Weight (g)approx. 0.2 RechargeableNo  FAQs about the Varta V317 watch batteryWhat does the designation SR516SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "516" for the dimensions (5.8 mm x 1.6 mm) and the "SW" at the end denotes a "low drain" version. This is specially optimised for devices with low and constant current consumption, such as wristwatches.Is this battery compatible with the designation SR62SW?No, the Varta 317 corresponds to the IEC standard SR516SW. A battery with the designation SR62SW is a different, larger battery type (e.g. Varta 379 / SR621SW) and is not interchangeable. Please always check the exact number on your old battery to find the suitable replacement.For which watches is this battery type suitable?The V317 is typically used in very small, flat wristwatches. Due to its small size, it is a popular choice for elegant and delicate ladies' watches.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in stores or municipal recycling centres to ensure environmentally responsible recycling.

The Varta V319, internationally known as SR521SW, is a premium silver oxide button cell in a particularly small design that has been specially developed for the precise requirements of delicate wristwatches. As a specialist for watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementMiniaturised design: Ideal for very small and flat wristwatchesPrecision energy for delicate watchesThe Varta V319 was specially designed for use in analogue and digital quartz watches with very small movements. Its cell chemistry is optimised for low, constant power consumption, which is characteristic of these types of clocks. Its extremely compact size makes it the perfect choice for elegant and delicate ladies' and men's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V319 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta Watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V319 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Battery features  ModelVarta V319 / SR521SW TechnologySilver oxide-zinc SizeSR521SW / 319 Nominal voltage (V)1.55 Capacity (mAh)approx. 15 Dimensions (Ø x H, mm)approx. 5.8 x 2.1 Weight (g)approx. 0.25 RechargeableNo  FAQs about the Varta V319 watch batteryWhat does the designation SR521SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "521" for the dimensions (5.8 mm x 2.1 mm) and the "SW" at the end indicates a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR64SW?No, the Varta 319 corresponds to the IEC standard SR521SW. A battery labelled SR64SW is a different, larger battery type and is not interchangeable. Please always check the exact number on your old battery to find the right replacement.For which watches is this battery type suitable?The V319 is typically used in very small, flat wristwatches. Due to its small size, it is a popular choice for elegant and delicate ladies' watches that have a particularly small movement.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V321, internationally known as SR616SW, is a premium silver oxide button cell in a particularly small design that has been specially developed for the precise requirements of delicate wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimized capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementMiniaturised design: Ideal for very small and flat wristwatchesPrecision energy for delicate watchesThe Varta V321 was specially developed for use in analogue and digital quartz watches with very small movements. Its cell chemistry is optimized for low, constant current consumption, which is characteristic of these types of watches. Its extremely compact size makes it the perfect choice for elegant and delicate ladies' and men's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V321 offers decisive advantages. The voltage remains stable over almost the entire lifespan of the battery, which ensures the precision of the device. The high energy density allows for a long runtime in a very small design. Thanks to minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality manufacturing and sealing of the V321 cell provides reliable protection against leakage and thus preserves the sensitive movement from damage. Trust in tested quality for your valuable devices. Characteristics  ModelVarta V321 / SR616SW TechnologySilver oxide-zinc SizeSR616SW / 321 Nominal voltage (V)1.55 Capacity (mAh)approx. 14 Dimensions (Ø x H, mm)approx. 6.8 x 1.6 Weight (g)approx. 0.25 RechargeableNo  FAQs about the Varta V321 watch batteryWhat does the designation SR616SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "616" for the dimensions (6.8 mm x 1.65 mm) and the "SW" at the end indicates a "Low Drain" version. This is specially optimized for devices with low and constant current consumption, such as wristwatches.Is this battery compatible with the designation SR65SW?The Varta 321 corresponds to the internationally standardized IEC designation SR616SW. The designation SR65SW is not standardized and could lead to confusion. If your old battery says 321, this is the correct and suitable replacement.For which watches is this battery type suitable?The V321 is typically used in very small, flat wristwatches. Due to its small size, it is a popular choice for elegant and delicate ladies' watches with a particularly small movement.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in retail or the municipal recycling centres to ensure environmentally friendly disposal.

The Varta V329, internationally known as SR731SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and an optimised capacity of 37 mAh, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V329 was specially designed for use in analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, as is typical for watch movements. In addition to watches, this battery is also ideal for a wide range of other electronic precision instruments where a constant power supply is essential for accurate measurement results.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V329 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta Watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V329 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Characteristics  ModelVarta V329 / SR731SW TechnologySilver oxide zinc SizeSR731SW / 329 Nominal voltage (V)1.55 Capacity (mAh)approx. 37 Dimensions (Ø x H, mm)approx. 7.9 x 3.1 Weight (g)approx. 0.6 RechargeableNo  FAQs about the Varta V329 watch batteryWhat does the designation SR731SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "731" for the dimensions (7.9 mm x 3.1 mm) and the "SW" at the end indicates a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Can I replace an LR731 alkaline battery with this V329?Yes, this is possible in almost all cases and represents a significant upgrade. The V329 (SR731SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. The use of a silver oxide battery such as the V329 is strongly recommended for high-quality watches.For which watches is this battery type suitable?The V329 is typically used in flat wristwatches, which require slightly more energy than the very small, delicate models. It is a common size for many ladies' and men's watches.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in retail outlets or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V335, internationally known as SR512SW, is a premium silver oxide button cell in an exceptionally flat design. It was specially developed for the precise requirements of very small and flat wristwatches. As a specialist for watch batteries, Varta guarantees top quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V, it ensures maximum accuracy and protects your valuable and delicate movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate movementUltra-flat design: Ideal for the flattest and smallest watch modelsPrecision energy for ultra-flat watchesThe Varta V335 was specially designed for use in analogue and digital quartz watches with particularly small and flat movements. Its cell chemistry is optimised for a low, constant current consumption, which is characteristic of these types of watches. Its extremely flat dimensions make it the perfect choice for designer watches and other delicate timepieces.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V335 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, ensuring the precision of the device. The high energy density allows a long runtime in a very small form factor. Thanks to the minimal self-discharge, the battery is also extremely long-lasting in storage.Efficiency and safety for your movementVarta watch batteries undergo stringent quality controls to ensure consistently high performance and maximum safety. The high-quality manufacturing and sealing of the V335 cell provide reliable protection against leakage, thus preserving the sensitive movement from damage. Rely on tested quality for your valuable devices. Characteristics  ModelVarta V335 / SR512SW TechnologySilver oxide-zinc SizeSR512SW / 335 Nominal voltage (V)1.55 Capacity (mAh)approx. 7.5 Dimensions (Ø x H, mm)approx. 5.8 x 1.2 Weight (g)approx. 0.15 RechargeableNo  FAQs about the Varta V335 watch batteryWhat does the designation SR512SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "512" for the dimensions (5.8 mm x 1.25 mm) and the "SW" at the end identifies a "low drain" version. This is specially optimised for devices with low and constant current consumption, such as wristwatches.For which watches is this battery type particularly suitable?The V335 is typically used in very small and particularly flat wristwatches. Due to its low height, it is a popular choice for elegant and delicate watch models where every millimetre counts.Can I use a different battery instead of this one?Because of its very specific and flat dimensions, replacement with another type of battery is generally not possible. It is important to use exactly the type specified by the watch manufacturer.How should this watch battery be disposed of?Watch batteries must not be disposed of in household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres for environmentally friendly disposal.

The Varta V339, internationally known as SR614SW, is a premium silver oxide button cell in an exceptionally flat design. It was specially developed for the precise requirements of very flat wristwatches. As a specialist for watch batteries, Varta guarantees the highest quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V, it ensures maximum timekeeping accuracy and protects your valuable and delicate movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum timekeeping accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate movementUltra-flat design: Ideal for the flattest and smallest watch modelsPrecision energy for ultra-flat watchesThe Varta V339 was specially designed for use in analogue and digital quartz watches with particularly flat movements. Its cell chemistry is optimised for low, constant current consumption, which is characteristic for these types of watches. Its extremely flat dimensions make it the perfect choice for designer watches and other delicate timepieces where every millimetre of height is important.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V339 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, ensuring device precision. The high energy density enables long runtime in a very small design. Thanks to minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V339 cell provides reliable protection against leakage, safeguarding the sensitive movement against damage. Trust in tested quality for your valuable devices. Characteristics  ModelVarta V339 / SR614SW TechnologySilver oxide-zinc SizeSR614SW / 339 Rated voltage (V)1.55 Capacity (mAh)approx. 10 Dimensions (Ø x H, mm)approx. 6.8 x 1.4 Weight (g)approx. 0.2 RechargeableNo  FAQs about the Varta V339 watch batteryWhat does the designation SR614SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "614" for the dimensions (6.8 mm x 1.45 mm) and "SW" at the end indicates a "Low Drain" version. This is specially optimised for devices with low and constant current consumption, such as wristwatches.For which watches is this type of battery particularly suitable?The V339 is typically used in very flat wristwatches. Due to its extremely low height, it is a popular choice for elegant and delicate watch models where a minimal case height is important.Can I use a different battery instead of this one?Due to its very specific and flat dimensions, replacement with a different type of battery is generally not possible. It is important to use exactly the type specified by the watch manufacturer.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally responsible disposal.

The Varta V341, internationally known as SR714SW, is a premium silver oxide button cell in an exceptionally flat design. It was specially developed for the precise requirements of very flat wristwatches. As a specialist for watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V, it ensures maximum accuracy and protects your valuable and delicate movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementUltra-flat design: Ideal for the thinnest and smallest watch modelsPrecision energy for ultra-flat watchesThe Varta V341 was specially designed for use in analogue and digital quartz watches with particularly flat movements. Its cell chemistry is optimised for low, constant power consumption, which is characteristic of these types of clocks. Their extremely flat dimensions make them the perfect choice for designer watches and other filigree timepieces where every millimetre of height is important.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V341 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta Watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V341 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Characteristics  ModelVarta V341 / SR714SW TechnologySilver oxide-zinc SizeSR714SW / 341 Nominal voltage (V)1.55 Capacity (mAh)approx. 19 Dimensions (Ø x H, mm)approx. 7.9 x 1.4 Weight (g)approx. 0.3 RechargeableNo  FAQs about the Varta V341 watch batteryWhat does the designation SR714SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "714" for the dimensions (7.9 mm x 1.45 mm) and the "SW" at the end indicates a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.For which watches is this battery type particularly suitable?The V341 is typically used in very flat wristwatches. Due to its extremely low height, it is a popular choice for elegant and filigree watch models where a minimal case height is important.Can I use another battery instead of this one?Due to their very specific and flat dimensions, replacement with a different type of battery is generally not possible. It is important to use exactly the type specified by the watch manufacturer.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V350, internationally known as SR1136W, is a premium silver-oxide button cell specially developed as a "high drain" version for watches and small devices with high, short-term energy requirements. As a specialist for special batteries, Varta guarantees the highest quality and reliability. With its stable voltage of 1.55 V and a high capacity of 85 mAh, it provides the powerful performance that demanding devices require.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh drain optimised: Ideal for devices with high, short-term energy requirementsHigh capacity: Long service life even in watches with additional functionsStable voltage: Constant 1.55 V for reliable operation under loadTested quality: High leak-proofing and reliability from VartaPrecision energy for demanding watches and devicesThe Varta V350 was developed for use in analogue and digital quartz watches that have energy-intensive additional functions such as illumination, an alarm tone or a stopwatch function. In addition, it is the perfect energy source for a variety of small devices such as calculators, electronic games or medical devices that occasionally require high power for short periods.Superior silver-oxide technologyThe silver-oxide technology of the V350 offers high energy density and a very stable voltage. The "high drain" (W) design is characterised by a lower internal resistance. This allows the battery to supply higher currents for short periods without the voltage dropping significantly, ensuring the reliable operation of the connected loads.Efficiency and safety for your devicesVarta batteries are subject to the strictest quality controls in order to guarantee consistently high performance and maximum safety. The high-quality workmanship and sealing of the V350 cell offers reliable protection against leakage, thus protecting your valuable devices from damage. Trust in tested quality. Characteristics  ModelVarta V350 / SR1136W TechnologySilver-oxide zinc (High Drain) SizeSR1136W / 350 Nominal voltage (V)1.55 Capacity (mAh)approx. 80 Dimensions (Ø x H, mm)approx. 11.6 x 3.6 Weight (g)approx. 1.5 RechargeableNo  FAQs about the Varta V350 watch batteryWhat does "High Drain" mean?"High drain" means that the battery is designed for devices with high energy requirements. It can supply high currents for short periods, such as are required for display lighting or a signal tone. "Low drain" batteries (with the SW suffix), on the other hand, are optimised for devices with very low, constant current consumption such as simple clocks.Is this battery compatible with the designation SR42W?The Varta 350 corresponds to the internationally standardised IEC designation SR1136W. The designation SR42W is not standardised. Please check the number on your old battery. If it says 350 or SR1136W, this is the correct and suitable replacement.Can I replace a V344 (SR1136SW) "Low Drain" battery with this V350?If your device (e.g. a watch with illumination) requires a "high drain" battery, the V350 is the right choice. A "low drain" cell could collapse in voltage under high load. Conversely, you can use a V350 in a simple watch, but a "low drain" cell is usually the more efficient solution there.How should this battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the collection points provided in shops or municipal recycling centres to ensure environmentally responsible recycling.

The Varta V357, internationally known as SR44W, is a premium silver oxide button cell that has been specially developed as a "High Drain" version for watches and small devices with high, short-term energy requirements. As a specialist in special batteries, Varta guarantees the highest quality and reliability. With its stable voltage of 1.55 V and a very high capacity of 155 mAh, it delivers the powerful performance that demanding electronic devices require.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh drain optimised: Ideal for devices with high, short-term energy requirementsVery high capacity: Long service life even in devices with high consumptionStable voltage: Constant 1.55 V for reliable operation under loadTested quality: High leakproofness and reliability from VartaUniversal precision energy for demanding devicesThe Varta V357 is a universally applicable power source for a wide range of devices that require powerful and reliable performance. It is ideal for wristwatches with energy-intensive additional functions such as lighting or alarm. It is also the perfect choice for calculators, digital calipers, laser pointers, toys, and various medical devices such as blood glucose meters.Superior silver oxide technologyThe silver oxide technology of the V357 offers a high energy density and a very stable voltage level. The "High Drain" (W) design is characterised by a lower internal resistance. This allows the battery to supply higher currents for short periods without the voltage dropping significantly, which ensures the reliable functioning of the connected devices.Efficiency and safety for your devicesVarta batteries undergo the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality processing and sealing of the V357 cell provides reliable protection against leakage, thus safeguarding your valuable devices from damage. Trust in tested quality. Features  ModelVarta V357 / SR44W TechnologySilver oxide-zinc (High Drain) SizeSR44W / 357 Nominal voltage (V)1.55 Capacity (mAh)approx. 170 Dimensions (Ø x H, mm)approx. 11.6 x 5.4 Weight (g)approx. 2.3 RechargeableNo  FAQs about the Varta V357 watch batteryWhat does "High Drain" mean?"High Drain" means that the battery is designed for devices with high energy requirements. It can supply high current for short periods of time, for example, for display lighting, a signal tone, or a measuring process. "Low Drain" batteries (with the suffix SW), on the other hand, are optimised for devices with very low, constant current consumption such as simple watches.Can I replace an LR44 alkaline battery with this V357?Yes, this is possible in any case and represents a significant upgrade. The V357 (SR44W) offers a longer service life and a much more stable voltage than an LR44 battery. This is especially beneficial in measuring devices and medical devices to ensure high accuracy.What is the difference between a V357 (SR44W) and a V303 (SR44SW)?Both are high-quality silver oxide batteries of the same size. However, the V357 is designed as a "High Drain" version for devices with higher current consumption (e.g. calculators). The V303 (SR44SW) is a "Low Drain" version specially optimised for the low, constant current requirement of simple wristwatches and provides maximum efficiency there.How should this battery be disposed of?Watch batteries must not be disposed of in household waste. Please take the empty battery to the designated collection points in retail stores or municipal recycling centres to ensure environmentally sound disposal.

The Varta V361, internationally known as the SR721W, is a premium silver oxide button cell that was specially developed as a "high drain" version for watches and small devices with high, short-term energy requirements. As a specialist for special batteries, Varta guarantees the highest quality and reliability. With its stable voltage of 1.55 V and optimised capacity, it provides the powerful performance that demanding, compact devices require.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh drain optimised: Ideal for devices with high, short-term energy demandsLong service life: High capacity for this compact sizeStable voltage: Constant 1.55 V for reliable operation under loadTested quality: High leakage protection and reliability from VartaPrecision energy for demanding watches and devicesThe Varta V361 was developed for use in analogue and digital quartz watches equipped with energy-consuming additional features such as illumination, an alarm or a stopwatch function. In addition, it is an excellent energy source for a wide range of compact small devices such as calculators, electronic games or medical devices which temporarily require high power.Superior silver oxide technologyThe silver oxide technology of the V361 offers high energy density and a very stable voltage level. The "High Drain" (W) design is characterised by lower internal resistance. This enables the battery to supply higher currents for short periods without the voltage dropping significantly, ensuring reliable operation of the connected loads.Efficiency and safety for your devicesVarta batteries are subject to the strictest quality controls to guarantee consistently high performance and maximum safety. The high-quality assembly and sealing of the V361 cell provides reliable protection against leakage and therefore protects your valuable devices from damage. Rely on tested quality. Features  ModelVarta V361 / SR721W TechnologySilver oxide-zinc (High Drain) SizeSR721W / 361 Nominal voltage (V)1.55 Capacity (mAh)approx. 20 Dimensions (Ø x H, mm)approx. 7.9 x 2.1 Weight (g)approx. 0.4 RechargeableNo  FAQs about the Varta V361 watch batteryWhat does "High Drain" mean?"High Drain" means that the battery is designed for devices with high energy demand. It can supply high current for short periods, as required for example for display illumination or a signal sound. "Low Drain" batteries (with the suffix SW), on the other hand, are optimised for devices with very low, constant current consumption such as simple watches.Is this battery compatible with the designation SR58W?The Varta 361 corresponds to the internationally standardised IEC designation SR721W. The designation SR58W is not standardised. Please check the number on your old battery. If it says 361 or SR721W, this is the correct and suitable replacement.What is the difference between a V361 (SR721W) and a V362 (SR721SW)?Both are high-quality silver oxide batteries of the same size. However, the V361 is designed as a "High Drain" version for devices with higher current consumption (e.g. watches with illumination). The V362 (SR721SW) is a "Low Drain" version especially optimised for the low, constant current consumption of simple wristwatches and provides maximum efficiency there.How should this battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in stores or municipal recycling centres to ensure environmentally sound recycling.

The Varta V362, internationally known as SR721SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and an optimised capacity of 21 mAh, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V362 was specially designed for use in analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, which is typical for movements without additional functions. In addition to watches, this battery is also ideal for a wide range of other precision electronic instruments.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V362 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta Watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V362 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Characteristics  ModelVarta V362 / SR721SW TechnologySilver oxide zinc (low drain) SizeSR721SW / 362 Rated voltage (V)1.55 Capacity (mAh)approx. 21 Dimensions (Ø x H, mm)approx. 7.9 x 2.1 Weight (g)approx. 0.4 RechargeableNo  FAQs about the Varta V362 watch batteryWhat does the designation SR721SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "721" for the dimensions (7.9 mm x 2.1 mm) and the "SW" at the end indicates a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR58SW?The Varta 362 corresponds to the internationally standardised IEC designation SR721SW. The designation SR58SW is not standardised. Please check the number on your old battery. If it says 362 or SR721SW, this is the correct and suitable replacement.What is the difference between a V362 (SR721SW) and a V361 (SR721W)?Both are high-quality silver oxide batteries of the same size. However, the V362 is a "low drain" version specially optimised for the low, constant current requirements of simple wristwatches, where it offers maximum efficiency. The V361 (SR721W) is designed as a "high drain" version for devices with higher power consumption (e.g. watches with lighting).How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V371, internationally known as SR920SW, is one of the most popular premium silver oxide button cells, specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V and an optimised capacity of 35 mAh, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V371 is a widely used power source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, which is typical for movements without additional functions. Its compact size makes it the perfect choice for a wide range of men's and women's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V371 offers decisive advantages. The voltage remains stable throughout almost the entire service life of the battery, which ensures the precision of the device. The high energy density allows for a long runtime in a very small format. Thanks to minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V371 cell provide reliable protection against leakage and thus protect the sensitive movement from damage. Trust in tested quality for your valuable devices. Battery features  ModelVarta V371 / SR920SW TechnologySilver oxide-zinc (Low Drain) SizeSR920SW / 371 Nominal voltage (V)1.55 Capacity (mAh)approx. 40 Dimensions (Ø x H, mm)approx. 9.5 x 2.1 Weight (g)approx. 0.6 RechargeableNo  FAQs about the Varta V371 watch batteryWhat does the designation SR920SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "920" for the dimensions (9.5 mm x 2.1 mm), and the "SW" at the end identifies a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR69SW?The Varta 371 corresponds to the internationally standardised IEC designation SR920SW. The designation SR69SW is not standardised. Please check the number on your old battery. If it says 371 or SR920SW, this is the correct and suitable replacement.What is the difference between a V371 (SR920SW) and a V370 (SR920W)?Both are high-quality silver oxide batteries of the same size. However, the V371 is the "Low Drain" version specially optimised for the low, constant current needs of simple wristwatches and provides maximum efficiency there. The V370 (SR920W) is designed as a "High Drain" version for devices with higher power consumption (e.g. watches with lighting).How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V373, internationally known as SR916SW, is a premium silver oxide button cell in an exceptionally flat design. It was specially developed for the precise requirements of very flat wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and optimised capacity of 21 mAh, it ensures maximum accuracy and protects your valuable and delicate watch movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementUltra-flat design: Ideal for the thinnest and smallest watch modelsPrecision energy for ultra-flat watchesThe Varta V373 was specially designed for use in analogue and digital quartz watches with particularly flat movements. Its cell chemistry is optimised for low, constant power consumption, which is characteristic of these types of watches. Its extremely flat dimensions make it the perfect choice for designer watches and other delicate timepieces where every millimetre of height matters.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V373 offers crucial advantages. The voltage remains stable for almost the entire life of the battery, ensuring device precision. The high energy density allows for a long runtime in a very small size. Thanks to minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to guarantee consistently high performance and maximum safety. The high-quality manufacturing and sealing of the V373 cell provides reliable protection against leaking and thus protects the sensitive movement from damage. Rely on certified quality for your valuable devices. Characteristics  ModelVarta V373 / SR916SW TechnologySilver oxide-zinc (Low Drain) SizeSR916SW / 373 Nominal voltage (V)1.55 Capacity (mAh)approx. 23 Dimensions (Ø x H, mm)approx. 9.5 x 1.6 Weight (g)approx. 0.4 RechargeableNo  FAQs about the Varta V373 watch batteryWhat does the designation SR916SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "916" for the dimensions (9.5 mm x 1.65 mm) and the "SW" at the end indicates a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR68SW?The Varta 373 corresponds to the internationally standardised IEC designation SR916SW. The designation SR68SW is not standardised. Please check the number on your old battery. If it says 373 or SR916SW, this is the correct and suitable replacement.For which watches is this battery type particularly suitable?The V373 is typically used in very flat wristwatches. Due to its extremely low height, it is a popular choice for elegant and delicate watch models where a minimal case height is important.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally responsible disposal.

The Varta V379, internationally known as SR621SW, is one of the most popular premium silver oxide button cells, which has been specially developed for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and an optimised capacity of 18 mAh, it ensures maximum timekeeping accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum timekeeping accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of useHigh leak-proof safety: Maximum protection for your valuable and delicate movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V379 is a widely used power source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for low, constant power consumption, which is typical for movements without additional functions. Its compact size makes it the perfect choice for a wide range of men's and women's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V379 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V379 cell provide reliable protection against leakage and thus protect the sensitive movement from damage. Rely on tested quality for your valuable devices. Characteristics  ModelVarta V379 / SR621SW TechnologySilver oxide-zinc (Low Drain) SizeSR621SW / 379 Nominal voltage (V)1.55 Capacity (mAh)approx. 19 Dimensions (Ø x H, mm)approx. 6.8 x 2.1 Weight (g)approx. 0.3 RechargeableNo  FAQs about the Varta V379 watch batteryWhat does the designation SR621SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "621" for the dimensions (6.8 mm x 2.15 mm) and the "SW" at the end denotes a "Low Drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR63SW?The Varta 379 corresponds to the internationally standardised IEC designation SR621SW. The designation SR63SW is not standardised. Please check the number on your old battery. If it says 379 or SR621SW, then this is the correct and suitable replacement.What is the difference to type V364?Both Varta types, V379 and V364, correspond to the same international standard SR621SW and have identical dimensions. They are fully interchangeable in practice. These are internal Varta type designations.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally responsible disposal.

The Varta V381, internationally known as SR1120SW, is a premium silver oxide button cell that has been specially developed for the precise requirements of high-quality, flat wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability and an extremely long service life. With its stable voltage of 1.55 V and an optimised capacity of 42 mAh, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementTested quality: Reliable energy from one of the leading manufacturersPrecision energy for high-quality watchesThe Varta V381 was specially designed for use in analogue and digital quartz watches with a flat housing. Its cell chemistry is optimised for low, constant power consumption, which is typical for movements without additional functions. Its flat design makes it the perfect choice for a wide range of elegant ladies' and men's watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V381 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta Watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V381 cell offers reliable protection against leakage and thus protects the sensitive movement from damage. Trust in tested quality for your valuable devices. Features  ModelVarta V381 / SR1120SW TechnologySilver oxide zinc (low drain) SizeSR1120SW / 381 Nominal voltage (V)1.55 Capacity (mAh)approx. 42 Dimensions (Ø x H, mm)approx. 11.6 x 2.1 Weight (g)approx. 1.0 RechargeableNo  FAQs about the Varta V381 watch batteryWhat does the designation SR1120SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "1120" for the dimensions (11.6 mm x 2.1 mm) and the "SW" at the end indicates a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.Is this battery compatible with the designation SR55SW?The Varta 381 corresponds to the internationally standardised IEC designation SR1120SW. The designation SR55SW is not standardised. Please check the number on your old battery. If it says 381 or SR1120SW, this is the correct and suitable replacement.Can I replace an LR1120 (LR55) alkaline battery with this V381?Yes, this is possible in almost all cases and represents a significant upgrade. The V381 (SR1120SW) offers a longer service life and a more stable voltage, which improves the accuracy of your watch. The use of a silver oxide battery such as the V381 is strongly recommended for high-quality watches.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V384, internationally known as SR41SW, is one of the most popular premium silver oxide button cells, specially developed for the precise requirements of high-quality wristwatches and small medical devices. As a specialist in special batteries, Varta guarantees the highest quality and reliability. With its stable voltage of 1.55 V and an optimised capacity of 38 mAh, it ensures maximum accuracy and precise measurement results.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and medical devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and measurement precisionLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable devicesTested quality: Reliable energy from one of the leading manufacturersPrecision energy for watches and medical devicesThe Varta V384 is a widely used power source for a variety of analogue and digital quartz watches. Its cell chemistry is optimised for low, constant current consumption. In addition, its high reliability and stable voltage make it a preferred choice for many small medical devices such as digital clinical thermometers, where maximum measurement accuracy is required.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V384 offers decisive advantages. The voltage remains stable over almost the entire life of the battery, which ensures the precision of the device. The high energy density enables a long running time in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your devicesVarta batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V384 cell provides reliable protection against leakage and thus protects your sensitive devices from damage. Trust in tested quality. Characteristics  ModelVarta V384 / SR41SW TechnologySilver oxide-zinc (Low Drain) SizeSR41SW / 384 Nominal voltage (V)1.55 Capacity (mAh)approx. 42 Dimensions (Ø x H, mm)approx. 7.9 x 3.6 Weight (g)approx. 0.7 RechargeableNo FAQs about the Varta V384 watch batteryWhat does the designation SR41SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round shape, "41" for the dimensions (7.9 mm x 3.6 mm) and the "SW" at the end denotes a "Low Drain" version. This is specially optimised for devices with low and constant current consumption.Can I replace an LR41 alkaline battery with this V384?Yes, this is certainly possible and is a significant upgrade. The V384 (SR41SW) offers a longer service life and much more stable voltage than an LR41 battery. This is particularly important in medical devices such as clinical thermometers to ensure high measurement accuracy.What is the difference between a V384 (SR41SW) and a V392 (SR41W)?Both are high-quality silver oxide batteries of the same size. However, the V384 is a "Low Drain" version specially optimised for the low, constant current requirements of watches and thermometers. The V392 (SR41W) is a "High Drain" version designed for devices with higher current consumption (e.g. calculators with sound).How should this battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal waste collection centres to ensure environmentally sound disposal.

The Varta V389, internationally known as SR1130W, is a premium silver oxide button cell specially developed as a "High Drain" version for watches and small devices with high, short-term energy demands. As a specialist for special batteries, Varta guarantees the highest quality and reliability. With its stable voltage of 1.55 V and a high capacity of 80 mAh, it provides the powerful performance that demanding electronic devices require.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh drain optimised: Ideal for devices with high, short-term energy demandsHigh capacity: Long service life even in devices with high consumptionStable voltage: Constant 1.55 V for reliable function under loadTested quality: High leak-proofness and reliability from VartaUniversal precision energy for demanding devicesThe Varta V389 is a universal energy source for a variety of devices that require powerful and reliable performance. It is ideal for wristwatches with energy-intensive additional functions such as lighting or alarms. In addition, it is the perfect choice for calculators, digital calipers, laser pointers, toys, and various medical devices.Superior silver oxide technologyThe silver oxide technology of the V389 offers a high energy density and a very stable voltage level. The "High Drain" (W) design is characterised by a lower internal resistance. This allows the battery to deliver higher currents for short periods without the voltage dropping significantly, which ensures the reliable operation of the connected consumers.Efficiency and safety for your devicesVarta batteries undergo the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality construction and sealing of the V389 cell provide reliable protection against leakage and thus safeguard your valuable devices from damage. Trust in tested quality. Characteristics  ModelVarta V389 / SR1130W TechnologySilver oxide-zinc (High Drain) SizeSR1130W / 389 Rated voltage (V)1.55 Capacity (mAh)approx. 85 Dimensions (Ø x H, mm)approx. 11.6 x 3.1 Weight (g)approx. 1.5 RechargeableNo  FAQs about the Varta V389 watch batteryWhat does "High Drain" mean?"High Drain" means that the battery is designed for devices with high energy demand. It can deliver high currents for short periods, such as those required for display illumination, a signal tone or a measuring process. "Low Drain" batteries (with the suffix SW) are, on the other hand, optimised for devices with a very low, constant current consumption such as simple watches.Is this battery compatible with the designation SR54W?The Varta 389 corresponds to the internationally standardised IEC designation SR1130W. The designation SR54W is not standardised. Please check the number on your old battery. If it says 389 or SR1130W, this is the correct and suitable replacement.Can I replace an LR1130 (LR54) alkaline battery with this V389?Yes, that is always possible and is a clear upgrade. The V389 (SR1130W) offers a longer service life and a much more stable voltage than an LR1130 battery. This is particularly advantageous in measuring devices and medical equipment to ensure high accuracy.What is the difference between a V389 (SR1130W) and a V390 (SR1130SW)?Both are high-quality silver oxide batteries of the same size. However, the V389 is designed as a "High Drain" version for devices with higher power consumption (e.g. calculators). The V390 (SR1130SW) is a "Low Drain" version specially optimised for the low, constant current demand of simple wristwatches and offers maximum efficiency there.

The Varta V390, internationally known as SR1130SW, is a premium silver oxide button cell specially developed as a "low drain" version for the precise requirements of high-quality wristwatches. As a specialist in watch batteries, Varta guarantees the highest quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V and a high capacity of 80 mAh, it ensures maximum accuracy and protects your valuable watch movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision instrumentsLow drain optimised: Ideal for the low, constant energy requirements of watchesHigh capacity: Long service life for years of reliable operationStable voltage: Constant 1.55 V for maximum accuracyTested quality: High leakage protection and reliability from VartaPrecision energy for high-quality watchesThe Varta V390 has been specially designed for use in analogue and digital quartz watches. Its cell chemistry is optimised for a low and constant current consumption, which is typical for movements without energy-intensive additional functions (e.g. lighting). This ensures maximum efficiency and an especially long operating time in a wide variety of watch models.Superior silver oxide technologyCompared to conventional alkaline batteries, the V390's silver oxide technology offers decisive advantages. The voltage remains stable over almost the entire life cycle of the battery, ensuring the device's precision. The high energy density allows for long runtime in a compact design. Thanks to minimal self-discharge, the battery is also extremely long-lasting in storage.Efficiency and safety for your watch movementVarta watch batteries undergo the strictest quality controls to ensure consistent high performance and maximum safety. The high-quality workmanship and sealing of the V390 cell offers reliable protection from leakage, thus protecting the sensitive movement from damage. Rely on tested quality for your valuable devices. Characteristics  ModelVarta V390 / SR1130SW TechnologySilver oxide-zinc (Low Drain) SizeSR1130SW / 390 Rated voltage (V)1.55 Capacity (mAh)approx. 95 Dimensions (Ø x H, mm)approx. 11.6 x 3.1 Weight (g)approx. 1.5 RechargeableNo  FAQs about the Varta V390 watch batteryWhat does "Low Drain" (SR1130SW) mean?"Low Drain" (indicated by "SW" in the IEC code) means that the battery is optimised for devices with a low and constant energy requirement. This is typical for standard wristwatches without additional features and ensures the longest possible service life.What is the difference to the Varta 389 (SR1130W) "High Drain"?The Varta 390 is a "low drain" battery for standard watches. The "high drain" version with the exact same size is the Varta 389 (SR1130W). This is intended for watches and devices with temporarily high energy requirements, such as for lighting or an alarm sound. Please check your device’s exact requirement.Can I replace an LR1130 (LR54) alkaline battery with this V390?Yes, this is always possible and represents a clear upgrade. The V390 (SR1130SW) offers a longer service life and significantly more stable voltage than an LR1130 battery, which improves the accuracy of your watch.How should this battery be disposed of?Watch batteries must not be disposed of in household waste. Please return the empty battery to the designated collection points in retail stores or local recycling centres to ensure environmentally friendly disposal.

The Varta V391, internationally known as SR1120W, is a high-performance silver oxide button cell specially designed for watches and other electronic devices with a high, pulse-like energy demand. As a quality product from Varta, this "High Drain" battery offers an extremely reliable and stable power supply for demanding applications. It delivers a constant nominal voltage of 1.55 V and is the ideal choice for modern watches with additional functions.Highlights at a glancePremium quality: High-quality silver oxide technology for demanding devicesHigh drain optimised: Ideal for devices with high, short-term energy demandLong service life: High capacity for this flat sizeStable voltage: Constant 1.55 V for reliable function under loadTested quality: High leakage security and reliability from VartaPowerful in a wide range of applications The Varta V391 button cell is the universal energy supplier for all devices that require a high current for a short time. It is primarily used in digital and analogue wristwatches with additional functions such as illumination, chronograph or alarm signal. It is also very suitable for various medical devices such as blood glucose meters, digital clinical thermometers, as well as calculators and toys that require a powerful and compact energy source.Reliable silver oxide technology (High Drain) The used silver oxide technology stands for a very high energy density and a stable voltage performance. The "High Drain" version (identifiable by the "W" in the IEC designation) is specially designed to deliver high current pulses without the voltage dropping. This ensures all functions of your device are reliably performed at all times. The high-quality workmanship from Varta also guarantees high tightness and protects your devices from damage.Efficiency and security with a system Varta batteries are subjected to strict quality controls to ensure consistently high performance and maximum security. The V391 is designed for a wide temperature range and supplies power reliably even under demanding conditions. The individual packaging protects the cell securely from short circuits and environmental influences until the time of use. Features  ModelVarta V391 / SR1120W Battery typeSilver oxide watch battery Nominal voltage (V)1.55 Capacity (mAh)42 Diameter (mm)11.6 Height (mm)2.1 Weight (g)1.2 Alternative designationsSR1120W, V391, D391, SB-AS/DS, 280-27  FAQs about the Varta V391 / SR1120W button cellWhat do the designations SR1120W or 391 stand for?These are designations for the same battery size. SR1120W is the international IEC standard. Here, "S" stands for silver oxide, "R" for the round shape, "1120" for the dimensions (11.6 mm diameter and 2.1 mm height) and "W" for "High Drain". The number 391 is the specific type number from the manufacturer Varta.What is the difference between a "High Drain" and a "Low Drain" battery? The main difference is in the ability to supply current. "Low Drain" batteries (with the suffix SW, e.g. 392 / SR1120SW) are designed for devices with a very low and constant energy demand, such as simple analogue watches. "High Drain" batteries like the V391 are designed for devices that require a lot of energy for a short time, for example for dial illumination or an alarm tone.Can I use a High Drain battery in a watch intended for Low Drain batteries? Yes, this is technically possible. A High Drain battery (like the V391) will work perfectly in a simple analogue watch that actually requires a Low Drain cell (like the V392). However, it is not recommended the other way round to use a Low Drain battery in a watch with high power requirements as this can lead to functional disturbances.How should this button cell be disposed of? Button cells must not be disposed of in household waste. Please take the empty battery to the designated collection points in stores or to the municipal recycling centres to ensure environmentally friendly disposal.

The Varta V392, also known internationally as SR41W, is a universal premium silver oxide button cell for a variety of small electronic devices. As a "high drain" type, it was specially developed by Varta for applications requiring high energy for a short time. With its extremely stable voltage of 1.55 V, it is the first choice for precision instruments such as digital thermometers, where maximum accuracy is essential, as well as for watches with additional functions.Highlights at a GlancePremium quality: High-quality silver oxide technology for demanding devices.High drain optimised: Ideal for devices with high, short-term energy needs.Stable voltage: Constant 1.55 V for precise measurement and reliable operation.Universally applicable: Perfect for watches, medical devices and calculators.Tested quality: High leak resistance and Varta reliability.Powerful for a Wide Range of ApplicationsThe Varta V392 is a versatile power source that goes far beyond use in watches. Its high and pulsed output makes it the ideal energy source for a broad spectrum of devices. It is used in digital thermometers, blood glucose meters, laser pointers, calculators, and wristwatches with functions such as illumination or alarms. Wherever high power is needed briefly in a compact format, the V392 is the right choice.Reliable Silver Oxide Technology (High Drain)Unlike cheaper alkaline batteries, the V392's silver oxide technology offers extremely stable voltage throughout its entire life cycle. This is especially important in measuring devices, as a drop in voltage can result in inaccuracies. The "high drain" version is also designed to handle high current spikes, such as those produced by the beep of a clinical thermometer, with no drop in performance.Efficiency and Safety by DesignVarta batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The superior construction of the V392 cell provides reliable protection against leakage, thus protecting sensitive electronics from damage. The convenient individual packaging also keeps the cell safely protected from short circuits and external influences until used. Characteristics  ModelVarta V392 / SR41W Battery typeSilver oxide watch battery Nominal voltage (V)1.55 Capacity (mAh)45 Diameter (mm)7.9 Height (mm)3.6 Weight (g)0.6 Alternative designationsSR41W, V392, D392, SR41, 392, 280-13 FAQs about the Varta V392 / SR41W button cellWhat do the designations SR41W or 392 mean?These are alternative designations for the same battery size. SR41W is the international IEC standard, with "S" standing for silver oxide, "R" for round, "41" for the dimensions (7.9 mm x 3.6 mm), and "W" for "High Drain". The 392 is the manufacturer Varta's specific type number.What is the difference to an LR41 or AG3 battery?The main difference is in the cell chemistry and voltage stability. The V392 (SR41W) is a silver oxide battery with a very stable voltage of 1.55 V. LR41 and AG3 are alkaline batteries and their voltage drops much more under load and during discharge. For precision measuring devices such as a digital thermometer, a silver oxide battery is therefore explicitly recommended to avoid measurement errors.What does "High Drain" mean for this battery type?"High Drain" means that the battery is designed for high current consumption. It can deliver high power for brief periods without the voltage dropping. This is necessary for devices that perform functions such as beeps, an LED light or other power-intensive actions.How must this button cell be disposed of?Button cells must not be disposed of with household waste. Please take the empty cell to the designated collection points in stores or municipal recycling centres to ensure environmentally responsible processing.

The Varta V393, internationally standardised as SR48W, is a high-performance premium silver oxide button cell designed for use in devices with high energy requirements. Thanks to its greater height, this "High Drain" battery offers a particularly high capacity and endurance. With its stable voltage of 1.55 V, it is the optimum energy source for complex wristwatches, calculators and other sophisticated small electronic devices.Highlights at a glancePremium quality: High-quality silver oxide technology for reliable performance.High drain optimised: Ideal for devices with high, short-term energy requirements.High capacity: Particularly long runtime thanks to increased height.Stable voltage: Constant 1.55 V for precise function and measurement accuracy.Tested quality: High leakage safety and reliability from Varta.Powerful in a wide range of applicationsThe Varta V393 is the perfect choice for devices that require more energy than a standard button cell can supply. It is used in multifunctional wristwatches with chronograph, illumination and alarm, in scientific calculators, small electronic games and various medical devices. Its high capacity and ability to deliver high current pulses guarantee long and reliable operation.Reliable silver oxide technology (High Drain)The silver oxide technology of the V393 ensures a stable voltage over the entire service life of the battery. This is crucial for the accurate functioning of watches and measuring devices. The "High Drain" version has been specially developed to cope with high current peaks without voltage drop. Compared to alkaline batteries, it offers a significantly longer service life and a higher reliability, especially in high-quality devices.Efficiency and safety with a systemEvery Varta battery undergoes strict quality controls to ensure maximum performance and safety. The V393 is optimally protected against leakage thanks to its high-quality construction, which protects your valuable devices from damage. The secure individual packaging also prevents short circuits and protects the cell from environmental influences until it is used. Characteristics  ModelVarta V393 / SR48W Battery typeSilver oxide watch battery Rated voltage (V)1.55 Capacity (mAh)40 Diameter (mm)11.6 Height (mm)3.6 Weight (g)1.3 Alternative designationsSR48W, V393, D393, SB-B8, 280-45  FAQs about the Varta V393 / SR48W button cellWhat do the designations SR48W or 393 stand for?These are designations for the same battery. SR48W is the international IEC standard, with "S" standing for silver oxide, "R" for the round shape, "48" for the dimensions (7.9 mm diameter and 5.4 mm height) and "W" for "High Drain". The 393 is Varta's specific type number.What is the difference to an LR48 or AG5 battery?The main difference is in cell chemistry. The V393 (SR48W) is a silver oxide battery with a very stable voltage, making it ideal for watches and measuring devices. LR48 and AG5 are alkaline batteries whose voltage drops during use. For precise and valuable devices, the silver oxide variant is always recommended for reliable function.Can I also use a V393 in devices that require an SR48SW (Low Drain)?Yes, that is easily possible. A High Drain battery like the V393 works perfectly in a device that only requires a small amount of current. Conversely, no Low Drain battery should be used in a device that requires high current peaks, as this can result in malfunctions.How should this button cell be disposed of?Button cells must not be disposed of in household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure proper recycling.

The Varta V395, internationally known as SR927SW (or SR57SW), is a premium silver oxide button cell that is characterised by its particularly flat design. As a "low drain" battery, it was specially developed for the long-lasting and reliable power supply of classic analogue watches. Its stable voltage of 1.55 V guarantees maximum accuracy and its slim shape makes it the ideal choice for elegant and extra-flat wristwatches.Highlights at a glancePremium quality: High-quality silver oxide technology for maximum reliability.Low drain optimised: Perfect for the low, constant energy requirements of analogue watches.Flat design: Ideal for particularly slim and elegant watch cases.Long service life: High energy density for a service life of several years.Tested quality: High leak resistance to protect your valuable movement.Precision energy for elegant timepiecesThe Varta V395 was specifically designed for use in high-quality analogue watches where a flat and elegant design is paramount. Its cell chemistry is designed to deliver a minimal but constant current over a very long period of time. This not only ensures a long running time, but also the highest precision of the movement, as is expected of quality watches.Reliable silver oxide technology (low drain)The "Low Drain" technology of the V395 is designed for maximum energy efficiency and minimal self-discharge. In contrast to "high drain" batteries, which are designed for high power peaks, the focus here is on maximising service life with a low continuous load. The silver oxide base guarantees an absolutely stable voltage until the end of the life cycle and thus prevents a drop in accuracy.Efficiency and safety with a systemEvery Varta battery undergoes strict quality controls to ensure consistently high performance and maximum safety. The V395 is optimally protected against leakage thanks to its first-class design, which protects your valuable movement from damage. The secure individual packaging also protects the cell from environmental influences and short circuits until it is used. Characteristics  ModelVarta V395 / SR927SW Battery typeSilver oxide watch battery Rated voltage (V)1.55 Capacity (mAh)42 Diameter (mm)9.5 Height (mm)2.7 Weight (g)0.6 Alternative designationsSR927SW, V395, D395, SR57, 280-48  FAQs about the Varta V395 / SR927SW button cellWhat do the designations SR927SW, SR57SW or 395 stand for?These are designations for the same battery size. SR927SW is the most common international IEC standard. "S" stands for silver oxide, "R" for the round shape, "927" for the dimensions (9.5 mm diameter and 2.7 mm height) and "SW" for "Low Drain". SR57SW is an older IEC standard for the same size. The 395 is the specific type number of the manufacturer Varta.What does "Low Drain" mean and for which watches is it suitable?"Low drain" means that the battery is optimised for low, constant power consumption. It is the ideal choice for classic, analogue wristwatches without energy-intensive additional functions. Thanks to its flat design, it is particularly suitable for elegant and slim watch models.Can I use this battery in a watch with a light or stopwatch?This is not recommended. For watches with such functions, a "high drain" battery (with the suffix "W", e.g. Varta V399 / SR927W) is the right choice. The use of a low drain battery in such a watch can lead to malfunctions and greatly shorten the service life of the battery.How should this button cell be disposed of?Button cells must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V396, internationally known as SR726W (or SR59W), is a compact premium silver oxide button cell for miniature applications with high energy requirements. As a "high drain" battery, it was specially developed by Varta to supply high current pulses for short periods. With its stable voltage of 1.55 V, it is the ideal choice for small but powerful electronic devices such as digital clocks, medical instruments and laser pointers.Highlights at a glancePremium quality: High-quality silver oxide technology for maximum reliability.High drain optimised: Ideal for compact devices with high peak current requirements.Compact design: High power output in a small and flat cell.Stable voltage: Constant 1.55 V for the reliable functioning of sensitive electronics.Tested quality: High leak resistance to protect your valuable devices.Powerful in a wide range of miniature applicationsThe Varta V396 is the ideal energy source when high performance is required in the smallest of spaces. It is used in digital wristwatches with additional functions, in medical devices such as digital clinical thermometers, in small pocket calculators, laser pointers and electronic toys. Their ability to cope with high current peaks guarantees that all the features of your devices function perfectly.Reliable silver oxide technology (high drain)The "High Drain" technology of the V396 is designed to meet short-term, high current requirements, such as those arising from a signal tone or LED lighting, without a voltage drop. Compared to cheaper alkaline batteries (such as AG2 or LR726), the silver oxide chemistry offers a stable voltage over the entire service life, which is essential for the precise functioning of electronic and medical devices.Efficiency and safety with a systemEvery Varta battery undergoes strict quality controls to ensure consistently high performance and maximum safety. The V396 is optimally protected against leakage thanks to its high-quality design, thus protecting your devices from damage. The secure individual packaging also prevents short circuits and protects the cell from environmental influences until it is used. Characteristics  ModelVarta V396 / SR726W Battery typeSilver oxide watch battery Rated voltage (V)1.55 Capacity (mAh)30 Diameter (mm)7.9 Height (mm)2.6 Weight (g)0.5 Alternative designationsSR726W, V396, D396, SR726, 280-52  FAQs about the Varta V396 / SR726W button cellWhat do the designations SR726W, SR59W or 396 stand for?These are designations for the same battery size. SR726W is the most common international IEC standard. Here "S" stands for silver oxide, "R" for the round shape, "726" for the dimensions (7.9 mm diameter and 2.6 mm height) and "W" for "High Drain". SR59W is an older standard for the same size. The 396 is the specific type number of the manufacturer Varta.What is the difference to the low drain variant V397 / SR726SW?The difference lies in the application. The V396 (high drain) is designed for devices with short-term high power requirements (e.g. light, sound). The V397 (low drain) is optimised for devices with low, constant power consumption such as simple analogue clocks and would last longer in these. Conversely, a V397 would quickly fail in a high-drain device.Can I use this battery as a replacement for an LR726 or AG2?Yes, the V396 is a high-quality replacement. While LR726 and AG2 are alkaline batteries whose voltage drops, the V396 silver oxide battery delivers a constant voltage. This leads to a more reliable function, especially in electronic measuring devices, and often also to a longer service life.How should this button cell be disposed of?Button cells must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V397, internationally known as SR726SW (or SR59SW), is a premium silver oxide button cell developed as a "low drain" specialist for classic analogue watches. Its entire cell chemistry is designed for minimal but constant energy delivery over as long a period as possible. With its stable voltage of 1.55 V and focus on longevity, it is the perfect choice for high-quality and compact wristwatches without extra features.Highlights at a glancePremium quality: High-quality silver oxide technology for maximum reliability.Low drain optimised: Perfect for the low, constant energy needs of analogue watches.Maximum lifespan: Developed for a service life of several years in simple watches.Highest timekeeping precision: Stable voltage of 1.55 V secures the accuracy of the movement.Tested quality: High leak resistance to protect your valuable timepiece.Precision energy for compact analogue watchesThe Varta V397 is the ideal energy source for a wide range of classic analogue watches, especially for models with smaller movements. Its strength lies in reliably and consistently providing the energy needed to drive the hands for years. It is the first choice for all watches where maximum battery life with low power consumption is important.Reliable silver oxide technology (Low Drain)The "Low Drain" technology of the V397 focuses on extremely low self-discharge and highest efficiency at minimum load. Unlike "High Drain" batteries, which are designed for short-term performance peaks, longevity is the decisive feature here. This ensures that your watch keeps running accurately for as long as possible without needing a battery change.Efficiency and safety with systemEvery Varta battery undergoes strict quality control to guarantee maximum performance and safety. The V397 is optimally protected against leakage by its high-quality construction and thus preserves your valuable movement from damage. The secure individual packaging also prevents short-circuiting and protects the cell from environmental influences until its use. Characteristics  ModelVarta V397 / SR726SW Battery typeSilver oxide watch battery Nominal voltage (V)1.55 Capacity (mAh)29 Diameter (mm)7.9 Height (mm)2.6 Weight (g)0.5 Alternative designationsSR726SW, V397, D397, SR59, 280-52 FAQs about the Varta V397 / SR726SW button cellWhat do the designations SR726SW, SR59SW or 397 mean?These are designations for the same battery size. SR726SW is the most common international IEC standard, whereby "S" stands for silver oxide, "R" for round shape, "726" for the dimensions (7.9 mm x 2.6 mm) and "SW" for "Low Drain". SR59SW is an older standard for the same size. The 397 is the specific type number from Varta.What is the difference to the High Drain version V396 / SR726W?The two batteries are optimised for different purposes. The V397 (Low Drain) is made for devices with low, constant power consumption like simple analogue watches and lasts longest in these. The V396 (High Drain) is designed for devices with a briefly high current requirement (e.g. light, sound) and would not last as long in a simple analogue watch as the V397.Can I use this battery in a watch with lighting or alarm?This is strongly discouraged. The V397 is not designed to supply the high current peaks required for such features. This can cause malfunctions (e.g. a flickering light) and drastically shorten the battery’s lifespan. For such watches, the high-drain variant V396 is the correct choice.How should this button cell be disposed of?Button cells must not be disposed of with household waste. Please take the empty battery to the collection points provided by retailers or municipal recycling centres to ensure proper environmental disposal.

The Varta V399, internationally known as SR927W (or SR57W), is a premium silver oxide button cell that combines high power output with a flat design. As a "high drain" battery, it was specially developed for the requirements of slim multifunction watches and other compact electronic devices. Its ability to deliver high current peaks and the constant voltage of 1.55 V make it the ideal choice for elegant watches with energy-intensive features.Highlights at a glancePremium quality: High-quality silver oxide technology for maximum reliability.High drain optimised: Ideal for devices with high, short-term energy requirements.Flat design: Enables powerful functions in slim watch cases.Stable voltage: Constant 1.55 V for reliable function of all features under load.Tested quality: High leak resistance to protect your valuable electronics.Powerful in elegant multifunction watchesThe Varta V399 is the perfect power source for modern, flat wristwatches that do more than just tell the time. It reliably supplies power for functions such as dial illumination, digital displays, stopwatches or alarm signals. It is also suitable for use in flat pocket calculators, medical devices and other miniature applications that require high performance in the smallest of spaces.Reliable silver oxide technology (High Drain)The "High Drain" technology of the V399 is designed to cope with high current requirements without voltage drops. This is crucial for the proper functioning of electronic components in high-quality devices. Compared to alkaline batteries, the silver oxide chemistry of the V399 provides a stable voltage throughout its entire service life, ensuring the precision and reliability of your devices.Efficiency and safety with systemEach Varta battery undergoes strict quality controls to ensure consistently high performance and maximum safety. The V399 is optimally protected against leakage by its top-class construction, which protects your valuable device from damage. The safe individual packaging also protects the cell from environmental influences and short circuits until it is used. Features  ModelVarta V399 / SR927W Battery typeSilver oxide watch battery Nominal voltage (V)1.55 Capacity (mAh)39 Diameter (mm)9.5 Height (mm)2.7 Weight (g)0.6 Alternative designationsSR927W, V399, D399, SR57, 280-44  FAQs about the Varta V399 / SR927W button cellWhat do the designations SR927W, SR57W or 399 stand for?These are designations for the same battery size. SR927W is the most common international IEC standard. "S" stands for silver oxide, "R" for the round shape, "927" for the dimensions (9.5 mm x 2.7 mm) and "W" for "High Drain". SR57W is an older standard for the same size. 399 is Varta's specific type number.What is the difference to the low drain variant V395 / SR927SW?Both batteries are identical in construction, but optimised for different purposes. The V399 (high drain) is the right choice for watches with energy-intensive functions (light, sound etc.). The V395 (low drain) is designed for simple analogue watches without such functions and would achieve a longer service life in these.Can I use this battery as a replacement for an LR927 or AG7?Yes, the V399 is a high-quality replacement. While LR927 and AG7 are alkaline batteries whose voltage drops under load, the V399 as a silver oxide battery delivers a constant voltage. This leads to more reliable operation, especially in electronic devices, and often a longer service life.How should this button cell be disposed of?Button cells must not be disposed of with household waste. Please take the empty battery to the designated collection points in retail outlets or municipal recycling centres to ensure environmentally-friendly disposal.

The Varta V10GA, also known as LR54, is a high-quality and reliable alkaline button cell for a wide range of small devices. As the product of a leading manufacturer, this battery provides long-lasting power and high leakage safety. It delivers a nominal voltage of 1.5 V and is ideally suited for everyday devices. Delivery is in a practical individual blister, which protects the battery and allows for easy removal.Highlights at a glanceBrand quality: Reliable and long-lasting energy from VARTAVersatile: Ideal for cameras, watches, calculators and toysLong shelf life: High energy reserve for emergenciesPowerful: 1.5 V voltage for constant power outputPackaging: Safe single blister for convenient handlingPowerful in a wide range of applicationsThe Varta V10GA button cell is a versatile energy supplier for a broad range of electronic devices. It is used in analogue and digital cameras, remote controls, calculators, watches, electronic toys and small medical devices such as digital clinical thermometers. Its reliable performance makes it the ideal choice for all applications requiring a compact and long-lasting power source.Reliable alkaline technologyThe alkaline manganese technology used (Zn/MnO2) stands for an excellent price-performance ratio and high availability. Compared to simple zinc-carbon batteries, it offers higher capacity and better performance, especially for devices with medium to high energy requirements. The high-quality workmanship of Varta also ensures high tightness and protects your devices from damage.Efficiency and safety with a systemVarta batteries are subject to strict quality controls to ensure consistently high performance and maximum safety. The V10GA is designed for a wide temperature range and delivers reliable power even under challenging conditions. The individual packaging protects the cell from short circuits and environmental influences until use. Properties  ModelVarta V10GA / LR54 TechnologyAlkaline-manganese SizeLR54 / AG10 / LR1130 Nominal voltage (V)1.5 Capacity (mAh)approx. 70 Dimensions (Ø x H, mm)approx. 11.6 x 3.05 Weight (g)approx. 1.5 RechargeableNo  FAQs about the Varta V10GA / LR54 button cellWhat do the designations LR54, AG10 or 189 mean?These are alternative designations for the same battery size according to different standards (IEC, JIS) or from other manufacturers. The Varta V10GA is compatible with all batteries with any of these designations, such as LR54, AG10, LR1130 or 189.How long can this battery be stored?Alkaline button cells from Varta are characterised by very low self-discharge. If stored correctly in a cool and dry place, they will last several years without significant loss of capacity.What is the difference to an SR54 or 389 battery?The main difference is in the cell chemistry. LR batteries (like the V10GA) are alkaline, while SR batteries are based on silver oxide. Silver oxide batteries provide a more stable voltage over their entire service life and are often preferred for precision timepieces, but are more expensive. For most applications such as cameras, calculators or toys, the alkaline version is the right choice.How should this button cell be disposed of?Button cells may not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling.

The Varta V13GA, also known as LR44, is one of the most common and versatile alkaline button cells for a wide range of electronic devices. As a quality product from Varta, this battery offers reliable, long-lasting power and high leak resistance. It provides a nominal voltage of 1.5 V and is the ideal choice for everyday devices with higher energy consumption. Supplied in a practical single blister pack.Highlights at a glanceBrand quality: Reliable and long-lasting energy from VartaUniversally usable: Ideal for cameras, calculators, toys and measuring devicesLong shelf life: High energy reserve for emergenciesPowerful: 1.5 V voltage for constant and strong power outputPackaging: Secure single blister pack for convenient handlingPowerful in a variety of applicationsThe Varta V13GA button cell is a universal power source for countless electronic devices. It is used in cameras, remote controls, calculators, electronic toys, small LED torches, digital calipers and many other measuring instruments. Its high capacity and performance make it the ideal choice for all applications that require a compact and long-lasting power source.Reliable alkaline technologyThe alkaline manganese technology used (Zn/MnO2) stands for excellent price-performance ratio and high availability. Compared to simple zinc-carbon batteries, it offers significantly higher capacity and better performance, especially for devices with medium to high energy requirements. The high-quality workmanship of Varta also ensures excellent sealing and protects your devices from damage.Efficiency and safety with systemVarta batteries are subject to strict quality controls to ensure consistently high performance and maximum safety. The V13GA is designed for a wide temperature range and also provides reliable power under demanding conditions. The individual packaging protects the cell from short circuits and environmental influences until it is used. Features  ModelVarta V13GA / LR44 TechnologyAlkaline manganese SizeLR44 / AG13 / A76 Nominal voltage (V)1.5 Capacity (mAh)approx. 150 Dimensions (Ø x H, mm)approx. 11.6 x 5.4 Weight (g)approx. 2.0 RechargeableNo  FAQs about the Varta V13GA / LR44 button cellWhat do the designations LR44, AG13 or A76 mean?These are alternative designations for the same battery size according to various standards (IEC, JIS) or by other manufacturers. The Varta V13GA is compatible with all batteries that bear one of these designations, such as LR44, AG13 or A76.How long can this battery be stored?Alkaline button cells from Varta are characterised by very low self-discharge. When stored correctly in a cool and dry place, the shelf life is several years without significant capacity loss.What is the difference to an SR44 or 357 battery?The main difference is in the cell chemistry. LR batteries (such as the V13GA) are alkaline, while SR batteries are based on silver oxide. Silver oxide batteries offer more stable voltage over their entire life and are often preferred for precision measuring instruments or high-quality watches, but are more expensive. For most applications, the alkaline version is the right choice.How should this button cell be disposed of?Button cells must not be disposed of with household waste. Please return the empty battery to the designated collection points in retail stores or municipal recycling centres to ensure environmentally sound disposal.

The Rayovac 312AC hearing aid battery (size 312, colour code brown) in a practical 6-pack blister is the world’s most widely used power source for modern, discreet hearing aids. As one of the leading innovators in hearing acoustics, Rayovac guarantees maximum reliability and outstanding sound quality in daily use with this battery.Equipped with tried and tested zinc-air technology and the advanced "Active Core Plus" architecture, size 312 offers the perfect balance between a compact form factor and high performance. It is the ideal choice for popular RIC devices (Receiver-in-Canal) and supplies even demanding digital hearing aids with Bluetooth streaming with completely stable, distortion-free power.Highlights at a glanceColour code brown (size 312): Thanks to globally standardised colour coding, repurchasing is absolutely straightforward – if your old blister or battery tab says "brown" or "312", this is the exact matching cell.Optimum balance: Offers the perfect compromise between tiny size for discreet hearing aids and sufficient power reserves to last the whole day.Zinc-air technology: The battery only becomes chemically active when the brown freshness seal is removed and air oxygen flows into the cell.Long shelf life: With the seal intact and the packaging unopened, you can store these premium Rayovac batteries for up to 4 years without any significant loss of capacity.Practical blister design: The tried-and-tested dial-pack packaging allows secure, single removal of the batteries while the rest remain optimally protected.Leak-proof & Safe: The sturdy, rustproof stainless steel housing effectively prevents leakage and protects the sensitive high-tech electronics of your hearing aid.Areas of applicationSize 312 (brown) is the undisputed standard for discreet and modern hearing aids:RIC hearing aids (Receiver-in-Canal): The absolute standard battery for the popular, extremely small behind-the-ear devices, where the speaker sits directly in the ear canal.Mini behind-the-ear devices (BTE): For very compact BTE models that combine discreet looks with good performance.In-the-ear devices (ITE / ITC): Suitable for in-the-canal models, which are slightly bigger than the tiny CIC devices and provide more space to accommodate this long-lasting battery.Assembly & safety instructionsActivation time (very important!): Peel off the brown sticker and make sure to leave the battery to rest in the air for 1 to 2 minutes before inserting it into the hearing aid. It is essential that oxygen from the ambient air is absorbed, so the battery can reach its full operating voltage of 1.45 V.Keep freshness seal intact: Remove the tab only immediately before use. Once the seal is removed, self-discharge begins, even if the sticker is put back on straight away.Optimum storage: Store your battery stock at normal room temperature (approx. 10°C to 25°C) in a dry place. Storage in the fridge is harmful as condensation may form beneath the sticker and ruin the battery.Environmentally sound disposal: Empty zinc-air batteries should on no account be thrown in general household waste. Please use the special battery collection bins at your hearing care professional, supermarket or recycling centre. Features Model / TypeRayovac Extra Type 312 (312AC) Colour code**Brown** (standard for size 312) Technology**Zinc-Air** (Zinc-Air) Nominal voltage**1.45 V** Nominal capacity**180 mAh** Dimensions (Ø x H)**7.9 mm x 3.6 mm** Pack unit**6-pack blister** Mercury freeYes (Mercury Free) Comparison typesPR41, DA312, V312A, A312, 312A, L312ZA  FAQs about the Rayovac 312AC blisterHow long does a size 312 battery last in my hearing aid?This depends greatly on individual use. The capacity of size 312 is exactly in between the small 10 and large 13 battery. On average, it lasts about 5 to 10 days. If features such as Bluetooth streaming (for phone calls or TV) are used frequently, power consumption increases significantly and run-time decreases accordingly.Does this battery fit Phonak, Signia or Widex devices?Yes, without restriction. Hearing aid battery sizes are strictly standardised internationally. No matter which manufacturer your hearing system is from (Audio Service, Phonak, Signia/Siemens, Starkey, Oticon, Resound etc.) – if your device needs a 312 battery or its battery compartment carries a brown mark, this Rayovac battery will fit 100%.Why does my hearing aid report “battery empty” shortly after fitting?Most of the time, the activation time is too short. If you remove the brown sticker and insert the battery directly and close the compartment, not enough oxygen may have entered the cell. Your hearing aid measures undervoltage and triggers a warning. Simply remove the battery, wait 2 minutes in fresh air and try again.

The Rayovac 675AC hearing aid battery (size 675, colour code blue) in a practical 6-pack blister is the absolute powerhouse among hearing aid batteries. As one of the world's leading manufacturers in audiology, Rayovac has developed this cell especially for super-power and ultra-power hearing systems that require a maximum of constant energy to reliably compensate for severe hearing loss.Thanks to innovative zinc-air technology and the advanced "Active Core Plus" architecture, size 675 offers by far the highest capacity of all standard hearing aid batteries. It not only guarantees superior runtime but also delivers the necessary performance reserves for intensive continuous use of demanding digital functions and extensive Bluetooth streaming.Highlights at a glanceColour code blue (Size 675): The globally standardised colour coding makes re-purchasing child's play – if your device requires a "blue" battery or if your old blister says "675", you're in the right place.Maximum capacity: With around 630 mAh this battery provides the greatest energy density and is designed for devices with very high energy requirements (super-power class).Zinc-air technology: The battery only activates when the blue freshness seal is removed and the cell reacts with oxygen from the ambient air.Long shelf life: Unopened and with the sticker intact, you can store these premium batteries for up to 4 years without noticeable loss of performance.Safe blister design: The practical rotating dial-pack makes it easy to remove individual cells while the rest remain safely stored in the blister.Leak-proof & reliable: A robust stainless steel case protects the battery from corrosion and keeps your hearing aid's expensive electronics safe from damage.Areas of applicationSize 675 (blue) is the specialised power source for high-performance hearing aids:Super-Power & Ultra-Power BTE: The standard choice for very powerful behind-the-ear devices used for severe to near-profound hearing loss.Intensive streaming: Provides the necessary endurance for users who pair their hearing aids intensely all day long with smartphones, TV or external microphones.Bone conduction hearing systems: Often used in special bone-anchored hearing aids (Baha) or hearing spectacles that require a high current supply.Assembly & safety instructionsActivation time (Very important!): Remove the blue sticker and allow the battery to rest in the air for 1 to 2 minutes before inserting into the hearing aid. Only this way will enough oxygen enter the cell to build up the 1.45 V operating voltage.Keep freshness seal intact: Remove the sticker only just before use. Once peeled off, chemical discharge will inevitably begin – even if the seal is immediately reapplied.Optimal storage: Store the batteries at room temperature (approx. 10°C to 25°C) in a dry place. Do not use the refrigerator, as condensation can form there and make the battery unusable.Environmentally friendly disposal: Empty zinc-air batteries must not be disposed of in household waste. Please dispose of them properly in collection boxes at your audiologist, in retail, or at your recycling centre. Features Model / TypeRayovac Extra Type 675 (675AC) Colour code**Blue** (Standard for size 675) Technology**Zinc-Air** (Zinc-Air) Nominal voltage**1.45 V** Nominal capacity**630 mAh** Dimensions (Ø x H)**11.6 mm x 5.4 mm** Pack unit**6-pack blister** Mercury freeYes (Mercury Free) Comparison typesPR44, DA675, V675A, A675, 675A, L675ZA FAQs about the Rayovac 675AC blisterHow long does a size 675 battery last in my hearing aid?This depends greatly on the hearing aid and usage. As size 675 has the highest capacity of all standard hearing aid batteries, it usually lasts very long – on average between 9 and 20 days. However, as it is often used in super-power devices with extremely high current consumption, the runtime may also be shorter with continuous Bluetooth streaming.Does this battery fit Phonak, Signia or Oticon devices?Yes, without restriction. The sizes of hearing aid batteries are standardised worldwide. Irrespective of the manufacturer of your hearing system – if your device requires a 675 battery or the battery compartment has a blue marking, this Rayovac battery fits 100%.Can I use this 675 battery for my cochlear implant (CI)?We recommend special CI batteries. The regular 675 battery (blue) is exactly the same size as a cochlear implant battery but is internally constructed differently. CIs draw very high current peaks at extremely short intervals, for which this standard battery is not optimally designed. For implants, ideally use special "Cochlear" or "Implant Plus" size 675 batteries.

The VARTA CR1/3N is a high-performance 3-volt lithium button cell, developed for professional and demanding applications with high energy requirements in the smallest space. Based on lithium manganese dioxide technology (Li-MnO2), it offers exceptionally high cell voltage and capacity in a very compact design. It is the ideal energy source for a variety of cameras, medical devices and security technology.Highlights at a GlanceHigh energy density: Maximum energy and high 3-volt voltage in a compact button cell.Powerful performance: Reliably supplies high currents for demanding electronic devices.Wide temperature range: Reliable performance under extreme conditions from -30 °C to +70 °C.Long shelf life: Extremely low self-discharge ensures years of operational readiness.Top industrial quality: Developed and manufactured for demanding OEM applications and high-grade end devices.Reliable Energy for Precision ApplicationsThe VARTA CR1/3N is the preferred energy source for a wide range of devices where performance and miniaturisation are crucial. Its main area of use is in analogue and digital photography to power cameras and exposure meters. It is also ideal for use in security sensors, electronic dog collars, sight systems, medical devices (e.g. blood glucose meters) and as a backup battery in professional electronics.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) enables the high nominal voltage of 3 volts, which often replaces the use of two 1.5-volt silver oxide cells and thus reduces space and complexity in device design. The technology guarantees stable voltage over most of its life, extremely low self-discharge of less than 1% per year at room temperature, and excellent performance even at low temperatures.Developed for Maximum ReliabilityAs a highly specialised cell, the CR1/3N is designed for maximum reliability and safety. Its robust construction and high VARTA quality ensure a reliable integration into end devices and protect them from damage caused by leakage. With this cell, VARTA offers developers and manufacturers a reliable and powerful platform for the development of long-lasting and compact products. Characteristics                                                                                                                                                        Model              VARTA lithium photo battery CR1/3N               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              170               Diameter (mm)              11.6               Height (mm)              10.8               Weight (g)              3.0        FAQs about the VARTA Lithium Battery CR1/3NWhat is the main advantage of this lithium battery?The decisive advantage is the high voltage of 3 volts in a single, very compact cell. It can replace two stacked 1.5-volt silver oxide batteries (such as SR44) in many devices, resulting in more reliable power supply and simpler battery replacement.Is this battery rechargeable?No. This is a lithium primary battery. It must never be attempted to recharge it under any circumstances. Attempting to charge is extremely dangerous and can cause fire or explosion.What is a 3-volt button cell of this size needed for?It is needed for compact devices with a relatively high energy requirement. Examples include lighting in camera viewfinders, active electronics in exposure meters, transmitter modules in dog collars or the power supply for laser sights.Is this battery compatible with 2L76 or DL1/3N?Yes, the designations CR1/3N, 2L76 and DL1/3N are used by different manufacturers for the same battery type and are interchangeable.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the regulations of the Battery Act. Please take the empty battery to the designated industrial or municipal collection points to ensure proper and environmentally-friendly recycling.

The VARTA CR1216 is a high-quality 3-volt lithium button cell developed for reliable and long-lasting power supply in a wide variety of modern, compact electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers high energy density in a very flat form factor. Supplied in a protective individual blister pack, it is the ideal choice for car keys, remote controls and medical devices.Highlights at a glanceReliable performance: Consistent energy output for the flawless operation of your small devices.Long shelf life: With up to 10 years of shelf life, extremely durable and ready for use at any time.Wide temperature range: Operates reliably even under demanding thermal conditions.Compact, flat design: Ideal for especially slim electronic devices such as car keys.Secure packaging: The child-safe individual blister guarantees freshness and protects the cell until use.Reliable power for compact electronicsThe VARTA CR1216 is the preferred energy source for a wide variety of everyday devices where compact size and reliability are essential. Its primary area of application is radio keys for vehicles, small remote controls for garage doors or alarm systems, and medical devices such as digital thermometers. It also serves as a backup battery to retain settings and times in various electronic devices.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single cell. It is characterised by extremely low self-discharge, which ensures the long shelf life of up to 10 years. This technology guarantees stable performance for most of the battery's lifetime and excellent performance even in fluctuating temperatures.Developed for maximum reliability and safetyThe CR1216 is manufactured to the highest quality standards to ensure maximum reliability and leak protection. This protects your valuable electronic devices from damage. The protective and child-safe individual blister ensures that the battery retains its full performance until use and can be stored safely from short circuit and external influences. Properties                                                                                                                                                        Model              VARTA lithium button cell CR1216 (individual blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              25               Diameter (mm)              12.5               Height (mm)              1.6               Weight (g)              0.7        FAQs about the VARTA lithium battery CR1216What does the designation CR1216 mean?The designation provides information about the properties and the size of the cell. "C" stands for the lithium chemistry, "R" for the round shape. The numbers "1216" stand for the dimensions: 12.5 mm in diameter and 1.6 mm in height.Is this battery rechargeable?No. This is a lithium primary battery. Under no circumstances should it be attempted to recharge it. Attempting to charge is extremely dangerous and can lead to fire or explosion.What is the advantage over alkaline or silver oxide button cells?The main advantage is the high voltage of 3 volts in a single cell, whereas alkaline and silver oxide cells only deliver 1.5 and 1.55 volts respectively. Additionally, lithium cells offer a significantly longer shelf life and a broader operating temperature range.How should this battery be disposed of?Batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in stores or to municipal recycling centres to ensure environmentally friendly recycling.

The VARTA CR1220 is a high-quality 3-volt lithium button cell designed to provide reliable and long-lasting power in a wide range of modern, compact electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers a high energy density in a very slim design. Delivered in a protective individual blister pack, it is the ideal choice for small electronic devices such as scales, car keys and medical devices.Highlights at a GlanceReliable performance: Constant energy output for the smooth operation of your small devices.Long shelf life: Extremely durable with up to 10 years of shelf life and always ready for use.Wide temperature range: Works reliably even under challenging thermal conditions.Compact, flat design: Ideal for particularly slim electronic devices.Safe packaging: The child-safe individual blister guarantees freshness and protects the cell until use.Reliable Power for Compact ElectronicsThe VARTA CR1220 is the preferred power source for a wide range of everyday devices where a compact size and reliability are crucial. Its main field of application is in personal and kitchen scales, remote keys for vehicles, calculators as well as in medical devices such as blood glucose meters. In addition, it serves as a backup battery to preserve settings and times in various electronic devices.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single cell. It is characterised by extremely low self-discharge, ensuring long shelf life of up to 10 years. This technology guarantees stable performance for most of the battery's lifespan and excellent performance even with fluctuating temperatures.Designed for Optimum Reliability and SafetyThe CR1220 is manufactured to the highest quality standards to ensure maximum reliability and leakage protection. This protects your valuable electronic devices from damage. The protective and child-safe individual blister pack ensures that the battery retains its full performance until use and can be stored safely against short circuits and external influences. Characteristics                                                                                                                                                        Model              VARTA lithium button cell CR1220 (individual blister)               Battery type              Lithium-manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              35               Diameter (mm)              12.5               Height (mm)              2.0               Weight (g)              0.8        FAQs about the VARTA Lithium Battery CR1220What does the designation CR1220 mean?The designation reveals the properties and size of the cell. "C" stands for the lithium chemistry, "R" for the round design. The numbers "1220" indicate the dimensions: 12.5 mm in diameter and 2.0 mm in height.Is this battery rechargeable?No. This is a lithium primary battery. It should never be recharged under any circumstances. Attempts to charge are extremely dangerous and may lead to fire or explosion.What is the advantage compared to alkaline or silver oxide button cells?The main advantage is the high voltage of 3 volts in a single cell, whereas alkaline and silver oxide cells deliver only 1.5 or 1.55 volts respectively. In addition, lithium cells offer significantly longer shelf life and a wider operating temperature range.How should this battery be disposed of?Batteries must not be disposed of in household waste. Please take the empty battery to the designated collection points in retail stores or municipal recycling points to ensure environmentally friendly recycling.

The VARTA CR1616 is a high-quality 3-volt lithium button cell that has been developed for reliable and long-lasting power supply in a wide range of particularly flat and compact electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers high energy density in an extremely flat design. Supplied in protective individual blister packs, it is the ideal choice for car keys, small remote controls and medical devices.Highlights at a glanceReliable performance: Constant energy output for the flawless operation of your small devices.Long shelf life: Extremely long-lasting with up to 10 years shelf life and always ready for use.Wide temperature range: Functions reliably even under demanding thermal conditions.Extremely flat design: Ideal for the flattest electronic devices such as garage door openers or car keys.Safe packaging: The childproof single blister guarantees freshness and protects the cell until use.Reliable energy for compact electronicsThe VARTA CR1616 is the preferred power source for a wide variety of everyday devices where an extremely flat design and absolute reliability are crucial. Its main area of use is in remote control keys for vehicles, garage door openers, small remote controls for alarm systems, as well as in medical devices such as blood glucose meters or digital thermometers. It is also used as a backup battery in organisers and pocket calculators.Superior lithium manganese dioxide technologyThe lithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single, very flat cell. It is characterised by extremely low self-discharge, which ensures the long shelf life of up to 10 years. This technology guarantees stable performance over most of the battery's life and excellent performance even at fluctuating temperatures.Developed for maximum reliability and safetyThe CR1616 is manufactured to the highest quality standards in order to guarantee maximum reliability and leak protection. This protects your valuable electronic devices from damage. The protective and childproof individual blister ensures that the battery maintains its full power up to use and can be safely stored against short circuits and external influences. Characteristics                                                                                                                                                        Model              VARTA lithium button cell CR1616 (single blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              55               Diameter (mm)              16.0               Height (mm)              1.6               Weight (g)              1.1        FAQs about the VARTA lithium battery CR1616What does the designation CR1616 mean?The designation reveals the properties and size of the cell. "C" stands for the lithium chemistry, "R" for the round design. The numbers "1616" indicate the dimensions: 16.0 mm in diameter and 1.6 mm in height.Is this battery rechargeable?No. This is a lithium primary battery. It must never be attempted to recharge it. Charging attempts are extremely dangerous and may lead to fire or explosion.What is the advantage over alkaline or silver oxide button cells?The main advantage is the high voltage of 3 volts in a single cell, while alkaline and silver oxide cells only provide 1.5 and 1.55 volts respectively. In addition, lithium cells offer much longer shelf life and a broader operating temperature range.How should this battery be disposed of?Batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in stores or to municipal recycling centres to ensure environmentally friendly recycling.

The VARTA CR2430 is a high-quality 3-volt lithium coin cell with high capacity, developed for reliable and particularly long-lasting power supply in demanding electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers a high energy density in a flat design. Supplied in a protective single blister, it is the ideal choice for remote controls, medical devices and smart home sensors.Highlights at a glanceHigh capacity: Offers a significantly longer runtime than smaller button cells of the CR20xx series.Reliable performance: Constant energy output for flawless operation of your electronic devices.Long shelf life: With up to 10 years of shelf life, extremely durable and always ready for use.Wide temperature range: Works reliably even under demanding thermal conditions.Safe packaging: The childproof single blister guarantees freshness and protects the cell until use.Reliable energy for demanding electronicsThe VARTA CR2430 is the preferred power source for a wide range of devices where long life and high capacity are crucial. Its main area of use is in remote controls with extended functions (e.g. with display), modern radio keys for vehicles, medical devices such as blood glucose meters, and in smart home sensors (e.g. door and window contacts) that must function maintenance-free for years.Superior lithium manganese dioxide technologyThe lithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and an extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum operational readiness even after many years of storage. This technology ensures stable performance over most of the battery's service life, which is essential for the reliable operation of sensitive electronics.Developed for maximum reliability and safetyThe CR2430 is manufactured to the highest quality standards to ensure maximum reliability and leak-proof performance. This protects your valuable electronic devices from damage. The protective and childproof single blister ensures that the battery retains its full performance until used and can be safely stored protected from short circuits and external influences. Characteristics                                                                                                                                                          Model              VARTA lithium coin cell CR2430 (single blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              300               Diameter (mm)              24.5               Height (mm)              3.0               Weight (g)              4.0        FAQs about the VARTA lithium battery CR2430What does the designation CR2430 mean?The designation provides information about the characteristics and size of the cell. "C" stands for lithium chemistry, "R" for the round shape. The numbers "2430" stand for the dimensions: 24.5 mm in diameter and 3.0 mm in height.Is this battery rechargeable?No. This is a lithium primary battery. It must never be recharged under any circumstances. Attempting to charge is extremely dangerous and can result in fire or explosion.What is the advantage over smaller button cells like the CR2032?The main advantage of the CR2430 is its higher capacity. It contains more energy and thus enables a longer runtime in devices with slightly higher current consumption or where particularly long maintenance intervals are desired.How must this battery be disposed of?Batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in retail or municipal recycling centres to ensure environmentally responsible disposal.

The VARTA CR2450 is a high-quality 3-volt lithium coin cell with a very high capacity, developed to provide reliable and extremely long-lasting energy for demanding electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers one of the highest energy densities in the coin cell format. Delivered in a protective single blister, it is the ideal choice for smart home sensors, medical technology and other devices where maximum service life is crucial.Highlights at a glanceVery high capacity: Offers exceptionally long life for energy-demanding applications.Reliable performance: Constant energy output ensures perfect functioning of your electronic devices.Long shelf life: With up to 10 years shelf life, extremely durable and always ready for use.Wide temperature range: Works reliably even under demanding thermal conditions.Safe packaging: The child-resistant single blister guarantees freshness and protects the cell until use.Reliable energy for demanding electronicsThe VARTA CR2450 is the preferred energy source for a wide variety of devices where maximum autonomy and minimal maintenance are essential. Its main field of application is smart home and security sensors (e.g. thermostats, door and window contacts), medical technology, remote controls with displays, and industrial backup applications that need to guarantee a high energy reserve over several years.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum operational readiness even after many years of storage. Its high capacity and stable performance curve are the key to reliability in long-term "fit and forget" applications.Designed for maximum reliability and safetyThe CR2450 is manufactured to the highest quality standards to ensure maximum reliability and leakproof performance. This protects your valuable electronic devices from damage. The protective and child-resistant single blister ensures the battery retains its full power until use and can be stored safely protected from short-circuit and external influences. Characteristics                                                                                                                                                        Model              VARTA lithium coin cell CR2450 (single blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3,0               Capacity (mAh)              610               Diameter (mm)              24,5               Height (mm)              5,0               Weight (g)              6,2        FAQs about the VARTA lithium battery CR2450What does the designation CR2450 mean?The designation provides information about the features and size of the cell. "C" stands for lithium chemistry, "R" for the round shape. The numbers "2450" correspond to the dimensions: 24.5 mm in diameter and 5.0 mm in height.Is this battery rechargeable?No. This is a lithium primary battery. It must never be recharged under any circumstances. Attempting to charge it is extremely dangerous and may cause fire or explosion.What is the advantage over smaller coin cells such as the CR2032?The main advantage of the CR2450 is its nearly three times higher capacity. It contains significantly more energy and therefore enables much longer operation in devices with higher energy consumption or in cases where particularly long maintenance intervals of several years are desired.How should this battery be disposed of?Batteries must not be disposed of in household waste. Please take the empty battery to the designated collection points in retail or municipal recycling centres to ensure environmentally friendly disposal.

The VARTA CR1/3N is a high-performance 3-volt lithium button cell, developed for professional and demanding applications with high energy requirements in the smallest of spaces. Based on lithium manganese dioxide technology (Li-MnO2), it offers exceptionally high cell voltage and capacity in a very compact design. Supplied in protective single blister packaging, it is the ideal energy source for a wide range of cameras, medical devices and security technology.Highlights at a glanceHigh energy density: Maximum energy and high 3-volt voltage in a compact button cell.Powerful performance: Reliably delivers high currents for demanding electronic devices.Wide temperature range: Reliable performance in extreme conditions from -30 °C to +70 °C.Long shelf life: Extremely low self-discharge ensures years of readiness for use.Secure packaging: The protective blister ensures freshness and performance right up to use.Reliable energy for precision applicationsThe VARTA CR1/3N is the preferred energy source for a wide range of devices where performance and miniaturisation are crucial. Its main field of application is in analogue and digital photography to power cameras and exposure meters. It is also ideal for use in security sensors, electronic dog collars, sighting systems, medical devices (e.g. blood glucose meters) and as a backup battery in professional electronics.Superior lithium manganese dioxide technologyThe lithium manganese dioxide technology (Li-MnO2) enables the high nominal voltage of 3 volts, which often replaces the use of two 1.5-volt silver oxide cells and thus reduces space and complexity in device design. The technology guarantees stable voltage over most of the battery’s life, an extremely low self-discharge rate of less than 1% per year at room temperature, and excellent performance even at low temperatures.Developed for maximum reliabilityThe CR1/3N was developed for the highest possible reliability and safety. Its robust construction and high VARTA quality protect high-value devices from damage caused by leakage. The protective single blister ensures that the battery retains its full performance until use and is protected against short-circuiting and environmental influences. Characteristics                                                                                                                                                          Model              VARTA lithium photo battery CR1/3N (single blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              170               Diameter (mm)              11.6               Height (mm)              10.8               Weight (g)              3.0        FAQs about the VARTA lithium battery CR1/3NWhat is the main advantage of this lithium battery?The key advantage is the high voltage of 3 volts in a single, very compact cell. In many devices it can replace two stacked 1.5-volt silver oxide batteries (such as SR44), resulting in more reliable power supply and easier battery change.Is this battery rechargeable?No. This is a primary lithium battery. It must not be attempted to recharge it under any circumstances. Attempts to charge are extremely dangerous and can result in fire or explosion.What is a 3-volt button cell of this size needed for?It is required for compact devices with a relatively high energy requirement. Examples include the illumination of camera viewfinders, active electronics in exposure meters, transmitter modules in dog collars or the power supply for laser sights.Is this battery compatible with 2L76 or DL1/3N?Yes, the terms CR1/3N, 2L76 and DL1/3N are used by different manufacturers for the same battery type and are interchangeable.How should this battery be disposed of?Batteries must not be disposed of with household waste. Please return the empty battery to the designated collection points in shops or municipal recycling centres to ensure environmentally friendly recycling. 

The VARTA CR2032 is a high-quality 3-volt lithium button cell and the world's most widely used battery for small electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers extremely reliable and long-lasting power supply. As a single cell ("bulk"), it is ideal for the initial equipment (OEM) of computers, industrial controllers and other professional electronic assemblies in large quantities.Highlights at a glanceIndustrial quality: Guarantees constant and reliable performance for professional devices and series production.Maximum reliability: The global standard for CMOS and RTC backup applications.Extreme durability: Can be stored for up to 10 years thanks to extremely low self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested quality: Each cell meets the highest quality standards for maximum performance and leak-proof safety.Reliable energy for data retentionThe VARTA CR2032 is the preferred energy source for buffering BIOS/UEFI settings (CMOS) and real-time clocks (RTC) on motherboards. Its main area of use is in computer technology, industrial PCs, servers, programmable logic controllers (PLCs) and a variety of embedded systems. For years, it ensures that configuration data and the system time are retained even without external power.Superior lithium manganese dioxide technologyThe lithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and an extremely low self-discharge rate of less than 1% per year at room temperature. This guarantees maximum operational readiness even after many years of storage and a very long service life in practical use. This technology is the key to reliability in maintenance-free "fit and forget" applications.Developed for industrial integrationAs an unpackaged single cell, the CR2032 is intended directly for processing in industrial production (OEM) or for demand-based use in service and maintenance. It is optimised for use in battery holders or can be assembled with solder pins or cables by specialised companies. This reduces packaging waste and optimises workflows for professional users. Characteristics                                                                                                                                                          Model              VARTA Lithium button cell CR2032               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              230               Diameter (mm)              20.0               Height (mm)              3.2               Weight (g)              3.0        FAQs about the VARTA Lithium battery CR2032What does the designation CR2032 mean?The designation gives information about the properties and the size of the cell. "C" stands for the lithium chemistry, "R" for the round design. The numbers "2032" stand for the dimensions: 20.0 mm in diameter and 3.2 mm in height.What does "bulk" mean?"Bulk" means that the batteries are supplied as loose goods in packaging units suitable for industry (e.g. in trays or cartons) and not in a separate end-user package such as a blister. This is ideal for industrial production (OEM).Is this battery rechargeable?No. This is a lithium primary battery. Under no circumstances should you attempt to recharge it. Charging attempts are extremely dangerous and can lead to fire or explosion.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take the empty battery to the appropriate industrial or municipal collection points to ensure proper and environmentally friendly recycling.

The VARTA CR2016 is a high-quality 3-volt lithium button cell and is one of the most widely used battery types for a variety of small electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers reliable and long-lasting energy supply in a very flat design. As a loose cell, it is optimal for original equipment (OEM) and for direct use by commercial users.Highlights at a glanceIndustrial quality: Guarantees constant and reliable performance for professional devices and mass production.Universally applicable: One of the most popular button cells for a wide range of professional applications.Long shelf life: With up to 10 years shelf life, perfect for stockpiling with minimal self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested reliability: Every cell meets the highest quality standards for maximum performance.Reliable power for compact electronicsThe VARTA CR2016 is the preferred power source for countless professional and industrial devices where a compact size and reliability are crucial. Its main area of use is in wireless keys for vehicles, personal and kitchen scales, calculators, small remote controls and in medical devices such as digital fever thermometers. Additionally, it serves as a backup battery in cameras and organisers.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single, very flat cell. It is characterised by extremely low self-discharge, ensuring a long shelf life of up to 10 years. This technology guarantees stable performance over most of the battery life and excellent performance even in fluctuating temperatures.Developed for industrial integrationAs an unpackaged single cell, the CR2016 is intended for direct processing in industrial production (OEM) or for need-based use in service and maintenance. This reduces packaging waste and optimises workflows for professional users who rely on consistently high quality and easy handling. Features                                                                                                                                                        Model              VARTA lithium button cell CR2016               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              90               Diameter (mm)              20.0               Height (mm)              1.6               Weight (g)              1.6        FAQs about the VARTA lithium battery CR2016What does the designation CR2016 mean?The designation gives information about the characteristics and size of the cell. "C" stands for the lithium chemistry, "R" for the round design. The numbers "2016" denote the dimensions: 20.0 mm in diameter and 1.6 mm in height.Can I use two CR2016 instead of one CR2032?Although two CR2016 cells (2 x 1.6 mm = 3.2 mm) stacked have the same height as a CR2032 cell (3.2 mm) and the same voltage, this is strongly discouraged. The contact between the two cells is often unreliable and can cause malfunctions or damage to the device. Always use the battery type specified by the manufacturer.Is this battery rechargeable?No. This is a lithium primary battery. It must never be attempted to recharge it under any circumstances. Charging attempts are extremely dangerous and may lead to fire or explosion.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take the empty battery to the designated industrial or municipal collection points to ensure professional and environmentally-friendly recycling.

The VARTA CR2025 is a high-quality 3-volt lithium button cell and is one of the most widely used battery types for a wide range of electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it provides reliable and long-lasting power supply. As a loose cell ("bulk"), it is ideal for the initial equipment (OEM) of new devices and for direct use by commercial users in large quantities.Highlights at a glanceIndustrial quality: Guarantees constant and reliable performance for professional devices and series production.Universally applicable: One of the most popular button cells for a wide range of professional applications.Long shelf life: With up to 10 years’ shelf life, perfect for stockpiling with minimal self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested reliability: Every cell meets the highest quality standards for maximum performance.Reliable energy for compact electronicsThe VARTA CR2025 is the preferred energy source for countless professional and industrial devices where compact size and reliability are crucial. Its main area of application includes remote controls, medical devices (e.g. blood glucose meters), fitness sensors (e.g. heart rate belts), scales, and as a backup battery for storing settings (CMOS) in computers and industrial systems.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts in a single, flat cell. It is characterised by extremely low self-discharge, which ensures the long shelf life of up to 10 years. This technology guarantees stable performance over most of the battery’s life and excellent performance even at fluctuating temperatures from -20 °C to +70 °C.Developed for industrial integrationAs an unpackaged single cell, the CR2025 is designed for use directly in industrial production (OEM) or for use as needed in service and maintenance. This reduces packaging waste and optimises workflows for professional users who rely on consistently high quality and simple handling. Features                                                                                                                                                        Model              VARTA Lithium button cell CR2025               Battery type              Lithium manganese dioxide (Li-MnO2)               Rated voltage (V)              3.0               Capacity (mAh)              170               Diameter (mm)              20.0               Height (mm)              2.5               Weight (g)              2.5        FAQs about the VARTA Lithium Battery CR2025What does the designation CR2025 mean?The designation provides information about the characteristics and size of the cell. "C" stands for the lithium chemistry, "R" for the round design. The numbers "2025" stand for the dimensions: 20.0 mm in diameter and 2.5 mm in height.What does "bulk" mean?"Bulk" means that the batteries are delivered as loose goods in industrial packaging units (e.g. in trays or cartons) and not in separate end consumer packaging such as a blister. This is ideal for industrial manufacturing (OEM).Is this battery rechargeable?No. This is a lithium primary battery. It must not under any circumstances be attempted to recharge it. Attempts at charging are extremely dangerous and can lead to fire or explosion.How must this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery it is subject to the provisions of the Battery Act. Please take the empty battery to the designated industrial or municipal collection points to ensure proper and environmentally friendly disposal.

The VARTA CR2430 is a high-quality 3-volt lithium button cell with high capacity, developed for reliable and particularly long-lasting power supply in demanding electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers high energy density in a flat design. As a loose cell ("bulk"), it is optimally suited for initial (OEM) equipment and for direct use by commercial users in large quantities.Highlights at a glanceHigh capacity: Offers a significantly longer runtime than smaller CR20xx series button cells.Industrial quality: Guarantees constant and reliable performance for professional equipment and serial production.Extreme longevity: Can be stored for up to 10 years thanks to extremely low self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested reliability: Each cell meets the highest quality standards for maximum performance and leak safety.Reliable energy for demanding electronicsThe VARTA CR2430 is the preferred energy source for a wide range of devices where long life and high capacity are critical. Its main area of use is in remote controls with extended functions (e.g. with display), modern wireless car keys, medical devices such as blood glucose meters and smart home sensors (e.g. door and window contacts), which must function for years maintenance-free.Superior lithium manganese dioxide technologyThe lithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and an extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum usability even after many years of storage. This technology ensures stable performance over much of the battery's life, which is essential for reliable operation of sensitive electronics.Developed for industrial integrationAs an unpackaged single cell, the CR2430 is intended directly for processing in industrial (OEM) production or for on-demand use in service and maintenance. This reduces packaging waste and optimises workflows for professional users who depend on consistently high quality and ease of use. Characteristics                                                                                                                                                          Model              VARTA lithium button cell CR2430               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              300               Diameter (mm)              24.5               Height (mm)              3.0               Weight (g)              4.0        FAQs about the VARTA lithium battery CR2430What does the designation CR2430 mean?The designation gives information about the properties and size of the cell. "C" stands for the lithium chemistry, "R" for the round shape. The numbers "2430" stand for the dimensions: 24.5 mm in diameter and 3.0 mm in height.What does "bulk" mean?"Bulk" means that the batteries are delivered as loose goods in packaging units suitable for industrial use (e.g. in trays or cartons) and not in separate end consumer packaging such as a blister pack. This is ideal for industrial production (OEM).Is this battery rechargeable?No. This is a lithium primary battery. It must never be recharged. Charging attempts are extremely dangerous and can lead to fire or explosion.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take the empty battery to the relevant industrial or municipal collection points to ensure proper and environmentally friendly disposal.

The VARTA CR2450 is a high-quality 3-volt lithium button cell with a very high capacity, which has been developed for reliable and extremely long-lasting power supply in demanding electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers one of the highest energy densities in button cell format. As a loose cell ("bulk"), it is optimally designed for the initial equipment (OEM) of devices where maximum service life is essential.Highlights at a GlanceVery high capacity: Offers exceptionally long operating time for energy-intensive applications.Industrial quality: Guarantees consistent and reliable performance for professional devices and series production.Extreme longevity: Up to 10 years shelf life thanks to extremely low self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested reliability: Every cell meets the highest quality standards for maximum performance and leak safety.Reliable Power for Demanding ElectronicsThe VARTA CR2450 is the preferred power source for a variety of devices where maximum autonomy and minimal maintenance are crucial. Its main area of application is in smart home and security sensors (e.g. thermostats, door and window contacts), in medical technology, in remote controls with displays, and in industrial backup applications that need to ensure a high energy reserve over years.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and an extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum readiness for use even after many years of storage. Its high capacity and stable performance curve are key to reliability in long-life "fit and forget" applications.Developed for Industrial IntegrationAs an unpackaged single cell, the CR2450 is intended for direct processing in industrial manufacturing (OEM) or for needs-based use in service and maintenance. This reduces packaging waste and streamlines workflows for professional users who rely on consistently high quality and easy handling. Specifications                                                                                                                                                        Model              VARTA Lithium Button Cell CR2450               Battery Type              Lithium manganese dioxide (Li-MnO2)               Nominal Voltage (V)              3.0               Capacity (mAh)              610               Diameter (mm)              24.5               Height (mm)              5.0               Weight (g)              6.2        FAQs about the VARTA Lithium Battery CR2450What does the designation CR2450 mean?The designation indicates the properties and size of the cell. "C" stands for lithium chemistry, "R" for the round shape. The numbers "2450" stand for the dimensions: 24.5 mm in diameter and 5.0 mm in height.What does "bulk" mean?"Bulk" means that the batteries are supplied as loose goods in packaging units suitable for industry (e.g. in trays or boxes) and not in separate consumer packaging such as a blister pack. This is ideal for industrial production (OEM).Is this battery rechargeable?No. This is a lithium primary battery. Under no circumstances should charging be attempted. Charging attempts are extremely dangerous and can result in fire or explosion.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take the empty battery to the intended industrial or municipal collection points to ensure proper and environmentally friendly recycling.

The Maxell Lithium button cell CR2032 offers a reliable and long-lasting power source for a wide range of devices. This high-quality lithium battery is ideal for use in watches, calculators, car keys, medical devices and other electronic devices that require a constant and stable power supply. Thanks to its high energy density and long-lasting performance, the Maxell CR2032 ensures that your devices are always ready for use. Rely on the proven quality of Maxell to ensure a constant and reliable power supply.

The Maxell CR2016 is a high-quality and extremely reliable 3-volt lithium button cell that is used in countless small electronic devices worldwide. The Japanese manufacturer Maxell is one of the pioneers in battery technology and stands for the highest manufacturing quality and leak-proof designs.Despite its extremely flat design of just 1.6 millimetres, this button cell delivers a constant voltage level and sufficient capacity to reliably supply car keys, sensors and watches with power for years to come. Thanks to the advanced lithium manganese dioxide chemistry, the cell also benefits from extremely low self-discharge, making it ideal for long-term storage.Highlights at a glanceConstant voltage: Provides reliable 3 volts over a long period of time for the fault-free operation of your sensitive small devices.Long shelf life: Thanks to their extremely low self-discharge, these lithium cells can be stored for up to 10 years without any significant loss of capacity.Leak-proof: The high-quality workmanship of Maxell prevents leakage and thus protects your valuable electronics from corrosion damage.Temperature stable: Works reliably under extreme conditions in a wide temperature range from -20 °C to +85 °C.Mercury-free: Environmentally friendly technology without the addition of toxic heavy metals such as mercury (0% Hg).Areas of applicationThe flat CR2016 is the classic energy source for compact housings:Car keys & remote controls: The absolute standard for many modern radio keys, garage door openers and parking heaters.Smart home & sensors: Ideal for small door and window contacts, compact thermometers or weather stations.Watches & calculators: Long-lasting power source for digital wristwatches, desktop calculators, organisers and fitness trackers.Medical technology: Reliable power supply for blood glucose meters, digital clinical thermometers and heart rate monitors.Assembly & safety instructionsKeep away from children: Button cells can cause life-threatening internal injuries and chemical burns if swallowed. Always keep batteries out of the reach of children and consult a doctor immediately if you suspect that they have been swallowed!Note polarity: The flat side, usually labelled with the type designation, is the positive pole (+), the slightly curved underside is the negative pole (-).Avoid fingerprints: When inserting button cells, ideally only handle them by the edge or with plastic tweezers. A greasy film from your fingers on the contact surfaces can impede the flow of current and lead to failures.Not rechargeable: Never attempt to charge this primary lithium battery in a charger. This can lead to overheating, leakage or, in the worst case, explosion. Features ModelMaxell CR2016 Chemical composition**Lithium manganese dioxide** (Li/MnO2) Nominal voltage**3.0 V** Nominal capacity**90 mAh** Dimensions (Ø x H)**20.0 mm x 1.6 mm** Weightapprox. 1.7 g Operating temperature range-20°C to +85°C Alternative designationsDL2016, ECR2016, BR2016, 280-202, SB-T11  FAQs about the Maxell CR2016Can I use a CR2032 instead of the CR2016?No, usually not. Although both cells deliver 3 volts and measure 20 mm in diameter, at 3.2 mm the CR2032 is exactly twice as thick as the flat CR2016 (1.6 mm). It usually does not fit mechanically into the battery compartment or prevents the housing cover from closing. However, there are exceptions with certain devices (e.g. some car keys) where two superimposed CR2016 can be replaced by one CR2032 – in this case, always refer to the operating instructions!What do the numbers "2016" mean?This is an internationally standardised size specification: The first two digits ("20") stand for the diameter in millimetres (20.0 mm). The last two digits ("16") represent the height of the battery in tenths of a millimetre (1.6 mm).How can I tell if the battery in my key is running low?With car keys, the range of the remote control often decreases noticeably at first, or the small indicator LED on the key flashes much more weakly than usual. When measuring with a multimeter, an unused, new cell should display slightly above 3.0 volts (approx. 3.2V - 3.3V). If the voltage drops below approx. 2.7 volts under load, it is recognised as empty by many devices.

The Varta V337, internationally known as SR416SW, is a premium silver oxide button cell in one of the smallest designs available. It was specially developed for the precise requirements of very small and delicate wristwatches. As a specialist for watch batteries, Varta guarantees the highest quality, reliability, and an extremely long service life. With its stable voltage of 1.55 V, it ensures maximum accuracy and protects your valuable movement.Highlights at a glancePremium quality: High-quality silver oxide technology for watches and precision devicesExtremely stable voltage: Constant 1.55 V for maximum accuracy and reliabilityLong service life: Optimised capacity and minimal self-discharge for years of operationHigh leakage safety: Maximum protection for your valuable and delicate watch movementExtremely small design: Ideal for the smallest and most delicate watch modelsPrecision energy for the smallest watchesThe Varta V337 was specially designed for use in analogue and digital quartz watches with the smallest movements. Its cell chemistry is optimised for the low, constant power consumption that is characteristic of these types of clocks. Its extremely small dimensions make it the perfect choice for very fine and filigree designer watches.Superior silver oxide technologyCompared to conventional alkaline batteries, the silver oxide technology of the V337 offers decisive advantages. The voltage remains stable over almost the entire service life of the battery, which ensures the precision of the device. The high energy density enables a long runtime in a very small design. Thanks to the minimal self-discharge, the battery also has an extremely long shelf life.Efficiency and safety for your watch movementVarta watch batteries are subject to the strictest quality controls to ensure consistently high performance and maximum safety. The high-quality workmanship and sealing of the V337 cell offers reliable protection against leakage and thus preserves the sensitive movement from damage. Trust in tested quality for your valuable devices.Features  ModelVarta V337 / SR416SW TechnologySilver oxide-zinc SizeSR416SW / 337 Nominal voltage (V)1.55 Capacity (mAh)approx. 9 Dimensions (Ø x H, mm)approx. 4.8 x 1.6 Weight (g)approx. 0.13 RechargeableNo  FAQs about the Varta V337 watch batteryWhat does the designation SR416SW mean?The international IEC designation provides information about the battery. "S" stands for silver oxide, "R" for the round design, "416" for the dimensions (4.8 mm x 1.65 mm) and the "SW" at the end designates a "low drain" version. This is specially optimised for devices with low and constant power consumption, such as wristwatches.For which watches is this battery type particularly suitable?The V337 is typically used in the smallest wristwatches available on the market. Due to its extremely small size, it is the choice for delicate ladies' watches or special designer models.Can I use another battery instead of this one?Due to its very specific and small dimensions, replacement with a different type of battery is generally not possible. It is important to use exactly the type specified by the watch manufacturer.How should this watch battery be disposed of?Watch batteries must not be disposed of with household waste. Please take the empty battery to the designated collection points in shops or municipal recycling centres, to ensure environmentally sound disposal.

The Maxell CR2025 is a powerful and globally proven 3-volt lithium button cell designed for the long-lasting and safe operation of your everyday small devices. As one of the pioneers in battery manufacturing, Japanese manufacturer Maxell guarantees the highest reliability and a leak-proof design.With a thickness of 2.5 millimetres, this cell offers the perfect compromise between a slim design and high capacity (approx. 170 mAh). It supplies car keys, medical devices and smart home sensors with a stable voltage for years. The advanced lithium manganese dioxide chemistry also ensures extremely low self-discharge, making the CR2025 perfect for long-term storage.Highlights at a glanceLong-lasting power: With around 170 mAh capacity, this 3-volt cell provides enduring energy for more power-hungry small devices.Excellent shelf life: Thanks to extremely low self-discharge, the battery remains ready for use even after up to 10 years of storage.Leak-proof design: Maxell guarantees the highest manufacturing standards, effectively protecting your valuable electronics from corrosion.Temperature resistant: Functions absolutely reliably in freezing cold (-20 °C) up to strong heat (+85 °C).Environmentally friendly: The advanced lithium technology is completely free from added toxic mercury (0% Hg).Areas of applicationThe CR2025 is the long-lasting classic for compact battery compartments:Car keys & remote controls: The absolute standard for many modern remote keys (e.g. VW, Audi, BMW) and garage door openers.Sports & health: Perfect for chest straps, pedometers, blood glucose meters and digital clinical thermometers.Smart home & IT: Reliable power source for mainboards (CMOS battery), smart thermostats and small alarm sensors.Consumer electronics: Ideal for 3D glasses, small remote controls (e.g. for LED candles or car radios) and calculators.Assembly & safety instructionsKeep away from children: Button cells can cause life-threatening internal injuries and burns if swallowed. Always keep batteries absolutely out of the reach of small children!Correct polarity: The flat side with the stamped inscription is always the positive pole (+), the slightly rougher/curved underside is the negative pole (-).Avoid fingerprints: Ideally, only touch the edge of the button cell when inserting it. A layer of grease from the fingers on the large contact surfaces can impede the flow of current and cause failures.Not rechargeable: This is a primary cell. Never try to charge the battery in a charger. This can cause overheating or explosion. Features ModelMaxell CR2025 Chemical composition**Lithium manganese dioxide** (Li/MnO2) Nominal voltage**3.0 V** Nominal capacity**165 mAh** Dimensions (Ø x H)**20.0 mm x 2.5 mm** Weightapprox. 2.4 g Operating temperature range-20°C to +85°C Alternative designationsDL2025, ECR2025, NA, BR2025, 280-205 FAQs about the Maxell CR2025Does the CR2025 also fit where a CR2032 was used before?Often yes, but it is not ideal. The CR2025 is thinner at 2.5 mm than the CR2032 (3.2 mm) but has exactly the same diameter. If the spring contact in the battery compartment is flexible enough, the device will function. However, the CR2025 has significantly less capacity (approx. 170 mAh vs. 220 mAh), so it will run out noticeably faster. Conversely, a CR2032 often does not fit in a compartment intended for CR2025, as it is too thick and the cover will not close.What do the numbers "2025" stand for?The designation is an internationally standardised code: the first two digits ("20") represent the diameter of the button cell in millimetres (20.0 mm). The last two digits ("25") indicate the height in tenths of a millimetre, in this case 2.5 mm.What is the best way to store my spare batteries?Ideally, store lithium button cells in their original packaging (blister) in a dry, cool place at normal room temperature. Avoid direct sunlight or proximity to heaters. The refrigerator is not necessary and is rather unsuitable due to possible condensation when removing.