Varta Lithium button cell CR2450 3V

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 CR123A is a high-performance 3-volt lithium primary battery developed for professional and demanding applications with very high energy requirements. Based on lithium manganese dioxide technology (Li-MnO2), it offers exceptionally high performance, extremely low self-discharge and a very wide operating temperature range. Supplied in a protective individual blister, it is the ideal power source for digital cameras, smart home devices and LED torches.Highlights at a glanceMaximum performance: Developed for high-tech devices with high and fast energy needs (high drain).Extreme longevity: Up to 10 years storage life thanks to extremely low self-discharge.Wide temperature range: Reliable performance under extreme conditions from -20 °C to +70 °C.Versatile application: Ideal for photography, smart home, security technology and outdoor activities.Safe packaging: The protective blister ensures freshness and performance until use.Reliable energy for high-tech applicationsThe VARTA CR123A is the preferred power source for a wide range of devices in which high output and absolute reliability are crucial. Its main field of application is in security technology (motion detectors, alarm systems), in smart home devices, in professional photography (flash units, cameras) and in high-intensity LED torches. Its ability to deliver high currents very quickly guarantees the flawless functioning of all demanding devices.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) is the key to this cell’s exceptional performance. It enables a high nominal voltage of 3 volts and is able to supply high currents very quickly, which is essential for devices such as photo flashes. The extremely low self-discharge of less than 1% per year at room temperature guarantees maximum readiness even after many years of storage in “fit and forget” applications such as sensors.Developed for maximum reliabilityThe CR123A is made to the highest quality standards to ensure maximum reliability and leak resistance. This protects your valuable electronic devices from damage. The protective individual blister ensures that the battery retains its full performance until it is used and can be stored safely protected from short circuits and external influences. Features                                                                                                                                                        Model              VARTA Lithium Photo Battery CR123A (Individual Blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Nominal voltage (V)              3.0               Capacity (mAh)              1480               Diameter (mm)              17.0               Height (mm)              34.5               Weight (g)              17.0        FAQs about the VARTA Lithium Battery CR123AWhat is the main advantage of this lithium battery?The decisive advantage is its ability to deliver very high currents quickly (high drain), combined with extremely long storage capabilities and a wide temperature range. It is the perfect choice for energy-intensive devices that must work for long periods without maintenance.Is this battery rechargeable?No. This is a lithium primary battery. It must not be recharged under any circumstances. Confusion with similarly looking rechargeable lithium-ion batteries (e.g. RCR123A) is dangerous and may result in fire or explosion.Why is it called a "photo battery"?Historically, one of the first main applications for this type of battery was to power analogue and early digital cameras as well as their flash units. Owing to its high output, it is still widely used today in professional photography and for high-performance LED torches.Can I use this instead of two AA batteries?No, the CR123A has a voltage of 3 volts, while two AA batteries in series also deliver 3 volts. However, the form factor is completely different. It is not intended as a direct replacement for AA batteries and only fits devices specifically designed for the CR123A type.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 stores or to municipal recycling centres to ensure environmentally sound recycling.

The Yuasa NP7-12 is a powerful, valve-regulated lead-acid battery (VRLA) with a nominal voltage of 12 volts and a capacity of 7 Ah. It impresses with its reliable performance, robust design and versatile application options, ideal for industrial applications, safety and emergency power systems.Highlights at a glanceReliable capacity: 7 Ah at 12 V for constant power supply.Compact format: 151 × 65 × 97.5 mm, ideal for limited installation space.Flexible installation: Can be installed in any position, except permanently upside down.Maintenance free: VRLA technology with low pressure drain valves.Durable: EUROBAT classification "Standard Commercial" for up to 5 years of use.High current carrying capacity: Up to 210 A discharge current for 1 second.Robust performance for demanding applicationsThe NP7-12 offers a 20-hour capacity of 7 Ah (up to 1.75 V/cell at 20°C) and a 10-hour capacity of 6.4 Ah (up to 1.8 V/cell). Thanks to its high current carrying capacity of up to 210 A for 1 second, the battery is particularly suitable for emergency power systems, UPS systems and safety-related applications.Maintenance-free operation and long service lifeThe NP7-12 is classified as "Standard Commercial" according to EUROBAT and offers a service life of up to 5 years at 20°C ambient temperature. The self-discharge is only about 3% per month, ensuring a high level of operational readiness even after extended storage. The housing is made of durable ABS plastic (UL94:HB) and is also available in a flame-retardant version (UL94:V0) upon request. The battery meets the ISO 9001 quality standard.Easy integration and reliable technologyThe battery is equipped with Faston connectors (4.75 mm) and can be easily integrated into almost any system. Installation is possible in all positions, except permanently upside down. Each of the six cells is fitted with a low-pressure relief valve, which reseals automatically after pressure equalisation for maintenance-free and safe operation. The recommended float charge voltage is 13.65 V (±1%) per unit, for cyclic operation 14.5 V (±3%). The maximum charging current is 1.75 A during cyclic operation; for float charging there is no limit.Features ModelYuasa NP7-12 Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)7 (at 20h rate) Maximum discharge current80A (for 5 seconds) Charge voltage (float charge)13.65V (±1%) Charge voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeUp to 5 years (according to Yuasa design) Dimensions (L/W/H, mm)151 x 65 x 94 Weight (kg)2.5 ConnectionFaston 6.3mm CertificationsIEC 60896-21+22, VdS, UL  FAQs about the Yuasa lead-acid battery with 12V and 7AhHow long does the NP7-12 last?The NP7-12 offers a service life of up to 5 years at 20°C ambient temperature and complies with the EUROBAT category "Standard Commercial".For which applications is the battery suitable?The battery is suitable for:UPS systemsFire detection and alarm systemsMedical devicesEmergency lightingTelecommunications and control systemsIs flexible installation possible?Yes, the battery can be operated in almost any position, just avoid a permanently upside down mounting position.What safety features are integrated?The battery features a robust ABS housing and low-pressure relief valves for safe gas pressure regulation. A flame-retardant housing is optionally available.How and with which parameters is the NP7‑12 charged correctly?Float charging voltage: 13.65 V unit voltage (2.275 V/cell) at 20°C, temperature compensation –3 mV/cell/°C.Cyclic (boost) charging voltage: 14.5 V unit (2.42 V/cell), compensated with –4 mV/cell/°C.Recommended charging current for cyclic operation: up to approx. 1.75 A (~0.25 C)What is the maximum discharge current and how good is the deep discharge resistance?Short-term peak current (1 sec): 210 A,1‑minute current: 48 AInternal impedance: about 23 mΩ at 1 kHz.The battery recovers excellently after deep discharge and is structurally robust in designWhat is the self-discharge during storage and what should be observed?At 20°C, the self-discharge is about 3% per month. The NP7‑12 can be stored for up to 12 months, provided it is recharged regularly. Storage should be between –20°C and +60°C, ideally not exceeding +30°C. 

The PANASONIC CR123A is a high-performance 3-volt lithium primary battery, specially developed for devices with high, short-term energy requirements such as cameras and flash units. Based on lithium manganese dioxide technology (Li-MnO2), it offers exceptionally high performance, extremely low self-discharge, and a very wide operating temperature range. Supplied in a protective single blister pack, it is the ideal energy source for demanding photography and other high-tech applications.Highlights at a glanceMaximum performance: Developed for high-tech devices with high and rapid energy requirements (high drain).Quick flash readiness: Rapidly delivers high current for quick charging of photo flashes.Extreme longevity: Up to 10 years of storage thanks to extremely low self-discharge.Wide temperature range: Reliable performance under extreme conditions from -40 °C to +70 °C.Secure packaging: The protective blister guarantees freshness and performance until use.Reliable power for photography and high-tech devicesThe PANASONIC CR123A is the preferred power source for a wide range of devices where high performance and absolute reliability are essential. Its main use is in analogue and digital photography to power cameras and external flash units. In addition, it is ideal for use in high-intensity LED torches, smart home sensors, and security technology.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) is key to the exceptional performance of this cell. It enables a high nominal voltage of 3 volts and can deliver very high currents very quickly. This shortens the charging time between two flashes and provides consistent performance for continuous shooting. The extremely low self-discharge guarantees maximum readiness even after many years of storage.Developed for maximum reliabilityThe CR123A is manufactured to the highest quality standards to ensure maximum reliability and leak protection. This protects your valuable and often sensitive equipment from damage. The protective single blister ensures that the battery retains its full power until use and can be safely stored to protect against short-circuiting and external influences. Characteristics  ModelPANASONIC Lithium photo battery CR123A (single blister) TechnologyLithium manganese dioxide (Li-MnO2) Nominal voltage (V)3.0 Capacity (mAh)1400 Dimensions (Ø x H in mm)17.0 x 34.5 Weight (g)approx. 17  FAQs about the PANASONIC Lithium Battery CR123AWhat is the main advantage of this lithium battery?The decisive advantage is its ability to deliver very high currents quickly (high drain), making it ideal for photo flashes and other high-performance applications. This is combined with an extremely long shelf life and a wide temperature range.Is this battery rechargeable?No. This is a lithium primary battery. It must never be recharged under any circumstances. Confusion with similar-looking rechargeable lithium-ion batteries (e.g. RCR123A) is dangerous and can result in fire or explosion.Why is it referred to as a "photo battery"?One of the main applications for this type of battery is to power cameras and flash units. The high voltage and the ability to deliver energy quickly are perfectly tailored to the requirements of photography.How must this battery be disposed of?Batteries must not be disposed of with household waste. Please take the empty battery to designated collection points in shops or municipal recycling centres to ensure environmentally responsible recycling.

The PANASONIC CR2 is a high-performance 3-volt lithium primary battery developed specifically for devices with high, short-term power requirements such as cameras and flash units. Based on lithium manganese dioxide technology (Li-MnO2), it offers exceptionally high performance, extremely low self-discharge, and a very wide operating temperature range. Delivered in a protective individual blister, it is the ideal energy source for demanding photography and other high-tech applications.Highlights at a GlanceHigh Performance: Developed for high-tech devices with high and rapid energy requirements (high drain).Fast Flash Readiness: Quickly delivers high currents for fast recharge of photo flashes.Extreme Longevity: Up to 10 years shelf life thanks to extremely low self-discharge.Wide Temperature Range: Reliable performance under extreme conditions from -40 °C to +70 °C.Secure Packaging: The protective blister guarantees freshness and performance right up to use.Reliable Power for Photography and High-Tech DevicesThe PANASONIC CR2 is the preferred energy source for a wide variety of devices where high performance and absolute reliability are essential. Its main field of application is in analogue and digital photography for powering cameras and external flash units. It is also ideal for use in high-intensity LED torches, lasers, smart home sensors and security technology.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) is the key to the exceptional performance of this cell. It enables a high nominal voltage of 3 volts and is able to deliver very high currents very quickly. This shortens the charging time between two flashes and ensures constant performance for continuous shooting. The extremely low self-discharge guarantees maximum operational readiness even after many years of storage.Developed for Maximum ReliabilityThe CR2 is manufactured to the highest quality standards to ensure maximum reliability and leak-proof safety. This protects your valuable and often sensitive equipment from damage. The protective individual blister ensures that the battery retains its full performance until use and can be stored safely, protected from short circuit and external influences. Characteristics  ModelPANASONIC Lithium Photo Battery CR2 (individual blister) TechnologyLithium manganese dioxide (Li-MnO2) Nominal voltage (V)3.0 Capacity (mAh)850 Dimensions (Ø x H in mm)15.6 x 27.0 Weight (g)approx. 11  FAQs about the PANASONIC Lithium Battery CR2What is the main advantage of this lithium battery?The decisive advantage is its ability to supply very high currents quickly (high drain), making it ideal for photo flashes and other high-performance applications. This is combined with an extremely long shelf life and a wide temperature range.Is this battery rechargeable?No. This is a lithium primary battery. Under no circumstances should it be attempted to recharge it. Confusion with similar-looking rechargeable lithium-ion batteries (e.g. RCR2) is dangerous and may result in fire or explosion.Why is it called a "photo battery"?One of the main areas of application for this type of battery is to power cameras and flash units. The high voltage and the ability to deliver energy quickly are perfectly tailored to the requirements of photography.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 sound recycling.

The Varta Longlife Power 4906, internationally standardised as LR6 (AA/Mignon), is the powerful and versatile all-round battery for professional and industrial applications with high energy requirements. This powerful alkaline battery has been specially developed for devices that require a high and often fluctuating power output. The practical 4-pack foil packaging is optimised for professional use and facilitates handling and stocking in a commercial environment.Highlights at a glancePowerful energy: Developed for devices with high and fluctuating energy requirements.Professional reliability: Guarantees constant and long-lasting performance for commercially used devices.Optimised packaging: The 4-pack foil packaging is ideal for easy packaging and service requirements.Long shelf life: With 10 years of shelf life, perfect for stockpiling with minimal self-discharge.Guaranteed quality: Proven Varta product performance, made in Germany.Powerful in professional applicationsThe Varta Longlife Power LR6 is the ideal choice for a wide range of professional devices that require more than just standard power. It is used in medical technology (e.g. mobile ECG devices, infusion pumps), in security technology (wireless motion detectors, electronic locking systems), in industry (measuring devices, hand scanners) as well as in the event sector (wireless microphones, pocket transmitters). Its ability to deliver high power peaks ensures the reliable operation of sophisticated electronics.Reliable and powerful alkaline technologyThe proven alkaline-manganese technology (Zn/MnO2) of the Longlife Power series is designed for high power output. It offers superior performance in energy-intensive devices compared to standard alkaline batteries. The high-quality workmanship "Made in Germany" also ensures maximum leakage safety and protects your valuable professional equipment.Efficiency for professional useThe Varta Longlife Power series in foil packaging is consistently geared towards the needs of professional users. Delivery in foil-wrapped 4-packs makes stockholding easier and ensures needs-based distribution to service technicians or for equipping workstations. The guaranteed Varta quality and long shelf life offer maximum planning and supply security for your company. Battery features                                                                                                                                                          Model              Varta Longlife Power 4906 / AA (foil of 4)               Battery type              Alkaline manganese               Rated voltage (V)              1.5               Capacity (mAh)              approx. 2950               Diameter (mm)              14.5               Height (mm)              50.5               Weight per cell (g)              23.8        FAQs about the Varta Longlife Power LR6 batteryWhat is the difference between "Longlife Power" and "Industrial Pro"?Both lines are aimed at professional users. "Longlife Power" (formerly High Energy) is designed as a powerful all-rounder for devices with high, often fluctuating energy requirements (e.g. measuring devices, wireless microphones). "Industrial Pro" is designed for maximum reliability and a constant power output for OEM applications and safety-relevant devices (e.g. smoke detectors, long-term sensors).What are the advantages of the 4-pack foil packaging?The foil packaging (shrink wrap) joins four batteries into a compact and robust unit. This is ideal for supplying with new devices (OEM), for equipping service kits or for easy and quick distribution to employees without having to handle loose batteries.Is this battery suitable for initial equipment (OEM)?Yes, its high quality and long shelf life make it a very good choice for the initial equipment of devices that require a powerful energy source. For applications where guaranteed long-term stability is a priority, the "Industrial Pro" series is a possible alternative.Can I also use these batteries in devices with low power requirements?Yes, this is possible. However, for devices with very low and constant energy requirements (e.g. remote controls, wall clocks), the batteries of the "Varta Longlife" series are the most economical choice, as these are optimised for maximum lifespan at low load.How should this battery be disposed of?Batteries must not be disposed of with household waste. Please take used batteries to the designated collection points in retail outlets or municipal recycling centres to ensure environmentally friendly disposal.