Varta Lithium round cell CRAA 3V 2Ah with U-solder tabs

The VARTA V40H is a rechargeable nickel-metal hydride (NiMH) button cell developed for professional use in compact electronic assemblies. With a nominal voltage of 1.2 V and a capacity of 40 mAh, it is the ideal energy solution for memory backup applications (RTC/SRAM), sensor technology and miniaturised devices requiring a reliable and long-lasting power source. Its robust construction and suitability for continuous charging make it a preferred component for industrial original equipment manufacturers (OEM).Highlights at a glanceRechargeable energy: Reliable NiMH technology for high cycle durability and long service life.Compact design: Very flat design (Ø 11.5 mm x 5.35 mm) for use in confined spaces.Backup-optimised: Perfect for buffering real-time clocks (RTC) and memories (SRAM).Industrial quality: Developed for demanding continuous operation and a wide temperature range.OEM component: Ideal for direct integration and soldering onto printed circuit boards (PCB).Reliable power for professional electronicsThe VARTA V40H is the optimal choice for a wide range of professional and industrial applications. Its main function is to back up data in real-time clocks and volatile memories in the event of a power failure. It is found in industrial computers, medical monitoring devices, automotive electronics, smart metering systems, and sensor technology. Wherever a maintenance-free, rechargeable energy source is required in minimal space, the V40H offers a reliable solution.Robust nickel-metal hydride technologyVARTA's proven NiMH technology stands for high reliability and safety. The V40H is designed for the typical requirements of backup applications, particularly for permanent trickle charging over many years. It offers excellent charging and discharging efficiency, a high cycle life, and no unwanted memory effect. Compared to primary batteries, it offers a sustainable and low-maintenance solution.Efficiency and safety in the systemAs a single cell for industrial further processing, the VARTA V40H is subject to the strictest quality controls. Its design ensures a high tightness and resistance to the thermal stresses of the soldering process (when applied correctly). Guaranteed VARTA quality provides developers and manufacturers with a stable and reliable component for mass production and the long-term use of their products. Features                                                                                                                                                                              Model              VARTA NiMH button cell V40H               Battery type              Nickel-metal hydride (NiMH)               Nominal voltage (V)              1.2               Capacity (mAh)              40               Diameter (mm)              11.5               Height (mm)              5.35               Weight (g)              1.7               Connection              Without solder pins (standard)        FAQs on the VARTA NiMH button cell V40HWhat is the main area of application for this NiMH button cell?The V40H is primarily designed as a backup power source for real-time clocks (RTC) and SRAM memory. It is integrated directly on a printed circuit board and is permanently charged by the device circuit to secure the stored data in the event of a power failure.Is this cell suitable for charging with external chargers?No, this cell is an industrial cell designed for installation and charging via a defined charging circuit within a device. It is not intended for handling by end users or for use in conventional chargers.What advantages does NiMH offer compared to a lithium primary cell for backup purposes?While lithium primary cells have a higher voltage and energy density, the main advantage of the NiMH cell is its rechargeability. It does not need to be replaced during the product's lifetime, which reduces maintenance costs and makes it ideal for sealed or hard-to-access devices.How is this cell mounted on a printed circuit board?The V40H is typically assembled with welded solder tags (so-called "tags") and then soldered onto the printed circuit board. Delivery is usually as a raw cell, which is then fitted with the appropriate connections according to customer requirements.How must this battery cell be disposed of?Batteries may not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take used battery cells to the designated industrial or municipal collection points to ensure proper and environmentally friendly recycling.

The Tadiran SL-761S is a primary high-performance lithium thionyl chloride battery in the compact special size 2/3 AA. It was designed for maximum reliability and an extremely long operating life in space-critical applications. With a nominal voltage of 3.6 V and a capacity of 1.5 Ah, it is the ideal power solution for professional electronic assemblies where miniaturisation and longevity are important. Its unique chemistry and robust construction guarantee outstanding performance even under the most extreme environmental conditions.Highlights at a glanceCompact design: High energy density in the special 2/3 AA size for miniaturised devices.Reliable capacity: 1.5 Ah for long and self-sufficient operating periods.High nominal voltage: Stable voltage level of 3.6 V during almost the entire service life.Maximum reliability: Extremely low self-discharge rate of less than 1% per year.Outstanding longevity: Designed for more than 10 years of operating and storage life.Extreme temperature range: Fully functional in a temperature range from -55°C to +85°C.Powerful in a wide range of applicationsThanks to its compact 2/3 AA size, the Tadiran SL-761S is ideal for space-critical applications where a standard AA cell would be too large. It is the preferred choice for professional original equipment in compact sensors, for memory backup (RTC, CMOS) on densely populated boards, in smaller alarm systems and in medical technology. Its reliability also makes it indispensable for miniaturised GPS tracking modules and other mobile monitoring devices.Designed for maximum safety and efficiencyThe safety and longevity of the SL-761S are based on its well thought-out construction. The cell has a hermetic glass-to-metal seal, which reliably prevents the electrolyte from leaking. The inorganic electrolyte used is non-flammable and provides a high degree of intrinsic safety. Each cell is designed to deliver its energy consistently and safely over a very long period, minimising maintenance costs and lowering the total operating costs of your application.Superior lithium thionyl chloride technologyLithium thionyl chloride technology (Li-SOCl₂) offers crucial advantages for long-term applications. A characteristic feature is the passivation effect: a thin protective layer forms on the lithium anode, which drastically reduces self-discharge and thus enables extremely long shelf life. This technology ensures that the energy is almost completely available even after years of storage, which distinguishes the SL-761S from all other battery technologies. Characteristics  ModelTadiran SL-761/S TechnologyLithium thionyl chloride (Li-SOCl₂) Size2/3 AA Nominal voltage (V)3.6 Capacity (mAh)1600 Max. continuous discharge current50 mA Self-dischargeapprox. 1% per year Operating temperature (°C)-55 ~ +85 Dimensions (Ø x L, mm)approx. 14.7 x 33.5 Weight (g)approx. 12 ConnectionStandard (industrial head) RechargeableNo  FAQs about the Tadiran SL-761S batteryIs this battery rechargeable?No, the Tadiran SL-761S is a primary lithium battery and must not be charged under any circumstances. Attempting to charge the cell is dangerous and can lead to overheating, leakage or the cell bursting.What does the passivation effect mean for this battery?After longer storage, a protective layer forms on the lithium surface that minimises self-discharge. With the first load, this layer can lead to a short voltage delay. For applications requiring immediate high current pulses, appropriate circuit designs or special battery types should be considered.How long does the battery last and how should it be stored?The battery has a shelf life of more than 10 years. For maximum durability, we recommend storing it in a cool and dry place with low humidity.Which devices is this battery type suitable for?This battery type is intended exclusively for professional and industrial electronics, especially in devices where the available space is very limited. These include compact sensors, memory backup, security technology and miniaturised tracking systems.Does this model have solder connections?No, this SL-761S model is the standard version and is supplied without solder connections. It is intended for use in suitable battery holders. For direct installation on PCBs, Tadiran offers variants of this cell type with different solder connections.What makes this battery safer than other battery types?Safety is ensured by several factors: The hermetic glass-to-metal seal prevents leakage, the inorganic electrolyte is non-flammable and the cell is not under pressure at room temperature. This ensures a high level of operational safety.

The Tadiran SL-760PR is a primary high-performance lithium thionyl chloride battery in the widely used size AA (Mignon). As part of the proven SL-700 series, it is optimised for maximum reliability and an extremely long service life with minimum self-discharge. This version is pre-configured with radial pins (+/- 1 pin) for the direct and secure mounting on PCBs. With a nominal voltage of 3.6 V and a high capacity of 2.2 Ah, it is the ideal energy solution for professional "fit and forget" applications.Highlights at a glanceMaximum longevity: Extremely low self-discharge of less than 1% per year.For PCB mounting: Pre-configured with radial pins (+/- 1 pin) for direct installation.High capacity: 2.2 Ah in standardised AA (Mignon) format.High rated voltage: Stable voltage of 3.6 V throughout almost the entire service life.Wide temperature range: Reliable operation from -55°C to +85°C.Powerful in a wide range of applicationsThe Tadiran SL-760PR was specifically developed for long-term applications with low continuous current, in which the battery is permanently integrated into the electronics. The radial pins enable a specific and space-saving arrangement on the PCB. Its primary areas of application include memory backups (RTC, CMOS) in industrial control systems (PLC), metering technology (metering for water, gas, electricity) as well as long-life security technology and alarm systems in the common AA format.Designed for maximum safety and efficiencyThe safety and longevity of the SL-760PR are based on the proven Tadiran design. The cell has a hermetic glass-to-metal seal that reliably prevents the electrolyte from leaking. The inorganic electrolyte used is non-flammable and ensures a high degree of intrinsic safety. Each cell is designed to deliver its energy constantly and safely over a very long period of time, reducing maintenance costs and the total operating costs of your application.Superior lithium thionyl chloride technologyThe lithium thionyl chloride technology (Li-SOCl₂) of the SL-700 series is the gold standard for long-term applications with low current requirements. A characteristic feature is the passivation effect: a thin protective layer forms on the lithium anode, which reduces the self-discharge to an absolute minimum, enabling extremely long storage and operational capability. This ensures that energy is reliably available even after many years. Features  ModelTadiran SL-760/PR TechnologyLithium thionyl chloride (Li-SOCl₂) SizeAA (Mignon) Rated voltage (V)3.6 Capacity (mAh)2200 Max. continuous discharge current100 mA Self-dischargeapprox. 1% per year Operating temperature (°C)-55 ~ +85 Dimensions (Ø x L, mm)approx. 14.7 x 50.5 Weight (g)approx. 18 ConnectionRadial pins (PR) RechargeableNo  FAQs about this Tadiran batteryWhat does the connection with "radial pins" mean?In contrast to axial connections, which exit from the centre of the terminals, radial pins are arranged so that they exit from one face of the battery. This configuration is optimised for specific layouts on printed circuit boards (PCBs) and enables particularly stable and defined mounting of the cell.What is the advantage of the SL-700 series over other series?The SL-700 series is optimised for the absolute lowest self-discharge. It is the best choice for applications that require very little power over many years, such as memory backup in computers. In contrast, other series (such as the SL-300 iXtra) are designed for applications with higher pulse current demand.For which devices is this battery type suitable?This battery type is ideal for professional electronics in which the battery is permanently soldered and an extremely long service life is decisive. Typical applications are meters, industrial computers, alarm systems and long-life sensors with specific PCB layouts.Is this battery rechargeable?No, this is a primary lithium battery and must not be recharged under any circumstances. Attempting to charge the cell is dangerous and can lead to overheating, leakage or rupture of the cell.What does the passivation effect mean for this battery?After longer storage, a protective layer forms on the lithium surface. This layer is the reason for the extremely low self-discharge. On first use, it can lead to a short voltage delay. This should be considered in circuit design for applications that require current immediately after activation.

The Tadiran SL-360P from the iXtra series is a primary lithium-thionyl chloride battery in the AA (Mignon) size. This special version is pre-configured with robust axial connection wires, enabling flexible and secure installation by direct soldering. It was designed for applications combining long lifetime with moderate current-carrying capability. With 3.6 V nominal voltage and a very high capacity of 2.4 Ah, it is the ideal power solution for professional electronics that regularly require moderate current pulses.Highlights at a glanceReady to install: With robust, axial wires for direct and safe soldering installation.Optimised for moderate loads: High capacity and stable voltage even at medium current demand.Very high capacity: 2.4 Ah for maximum extended and autonomous operating duration.High nominal voltage: Stable voltage level of 3.6 V over almost the entire lifetime.Wide temperature range: Reliable operation from -55 °C to +85 °C.Powerful in diverse applicationsThe Tadiran SL-360P was specifically developed for applications where longevity and improved power delivery are crucial. The axial wires enable secure and vibration-proof integration without a battery holder. Its main areas of application include wireless alarm and security systems, GPS tracking modules, professional radio devices, data loggers as well as industrial counters and measuring instruments (metering), which regularly transmit data.Designed for maximum safety and efficiencyThe safety and longevity of the SL-360P are based on the proven Tadiran construction. The cell features a hermetic glass-to-metal seal which reliably prevents electrolyte leakage. The inorganic electrolyte used is non-flammable and ensures a high degree of intrinsic safety. Each cell is designed to deliver its energy consistently and safely over a very long period, thus minimising maintenance costs and reducing the overall operating costs of your application.iXtra series: The technology for higher performanceThe iXtra series from Tadiran is designed to offer improved voltage stability under load. Compared to the standard series (SL-700), which is optimised for minimum continuous currents, the SL-300 series shows improved performance with medium load requirements and pulse currents. The passivation effect is thereby more quickly overcome, leading to a more stable power supply in applications which regularly "wake up" to perform tasks.Features  ModelTadiran SL-360/P TechnologyLithium-thionyl chloride (Li-SOCl₂) SizeAA (Mignon) Nominal voltage (V)3.6 Capacity (mAh)2400 Max. continuous discharge current130 mA Self-dischargeapprox. 1% per year Operating temperature (°C)-55 ~ +85 Dimensions (Ø x L, mm)approx. 14.7 x 50.5 Weight (g)approx. 18 ConnectionAxial wires (P) RechargeableNo  FAQs about this Tadiran batteryWhat does the "axial wire" connection mean?This model is equipped with connection wires that exit centrally from the positive and negative terminals of the cell and run in opposite directions along the longitudinal axis. This configuration allows for very flexible installation and direct, firm connection to the electronics by soldering, without the need for a battery holder.What is the difference between the SL-300 (iXtra) and the SL-700 series?The SL-300 (iXtra) series, to which this cell belongs, is optimised for applications with moderate current requirements (e.g. radio sensors). It offers more stable voltage under load. The SL-700 series, on the other hand, is designed for absolute long-term use with minimal continuous current, such as in pure memory backup applications.For which applications is this battery type suitable?This battery type is ideal for professional electronics that require a long service life, but regularly need power for functions such as data transmission. The axial wires make it perfect for installations where the cell must be firmly soldered.Is this battery rechargeable?No, this is a primary lithium battery and must under no circumstances be recharged. Attempting to charge the cell is dangerous and may result in overheating, leakage, or the cell bursting.What does the passivation effect mean for this battery?After prolonged storage, a protective layer forms on the lithium surface, which minimises self-discharge. The iXtra series is designed so that this layer is broken down more quickly and with less voltage drop under load than with the SL-700 series, which is advantageous for applications with regular current pulses.

The Tadiran SL-360PT from the iXtra series is a primary lithium thionyl chloride battery in the widely used size AA (Mignon). It was specially developed for applications requiring a long service life in combination with a moderate current load capacity. This version comes pre-assembled with axial pins for flexible and secure solder mounting. With a nominal voltage of 3.6 V and a very high capacity of 2.4 Ah, it is the ideal energy solution for professional electronics with regular power consumption.Highlights at a glanceReady to install: With robust, axial pins for direct solder mounting.Optimised for moderate loads: High capacity and stable voltage even with medium current demand.Very high capacity: 2.4 Ah for maximised and self-sufficient operating time.High rated voltage: Stable voltage of 3.6 V during almost the entire service life.Wide temperature range: Reliable operation from -55 °C to +85 °C.Powerful in a wide range of applicationsThe Tadiran SL-360PT was specifically developed for applications in which longevity and improved power delivery are crucial. The axial pins enable fixed and vibration-proof integration without a battery holder. Main areas of use include wireless alarm and security systems, GPS tracking modules, professional radios, data loggers and industrial counters and measuring instruments (metering) that transmit data regularly.Designed for maximum safety and efficiencyThe safety and longevity of the SL-360PT are based on Tadiran's proven design. The cell has a hermetic glass-to-metal seal, which reliably prevents the electrolyte from leaking. The inorganic electrolyte used is non-flammable and ensures a high level of intrinsic safety. Each cell is designed to deliver its energy consistently and safely over a very long period, which minimises maintenance costs and reduces total operating costs for your application.iXtra series: The technology for higher performanceTadiran's iXtra series is designed to provide improved voltage stability under load. Compared to the standard series (SL-700), which is optimised for minimal continuous currents, the SL-300 series shows better performance with moderate load demands and pulse currents. The passivation effect is thus overcome more quickly, resulting in a more stable power supply in applications which regularly "wake up" to perform tasks. Features  ModelTadiran SL-360/PT TechnologyLithium thionyl chloride (Li-SOCl₂) SizeAA (Mignon) Nominal voltage (V)3.6 Capacity (mAh)2400 Max. continuous discharge current130 mA Self-dischargeapprox. 1% per year Operating temperature (°C)-55 ~ +85 Dimensions (Ø x L, mm)approx. 14.7 x 50.5 Weight (g)approx. 18 ConnectionAxial pins (PT) RechargeableNo  FAQs about this Tadiran batteryWhat does the connection with "axial pins" mean?This model is equipped with connection wires (pins) that emerge centrally from the positive and negative ends of the cell. This configuration is intended for through-hole mounting on printed circuit boards (PCBs) and allows a very robust and long-lasting solder connection.What is the difference between the SL-300 (iXtra) and SL-700 series?The SL-300 (iXtra) series, to which this cell belongs, is optimised for applications with moderate current requirements (e.g. wireless sensors). It offers a more stable voltage under load. The SL-700 series, on the other hand, is designed for absolute long-term use with minimal continuous current, such as in pure memory backup applications.For which applications is this battery type suitable?This battery type is ideally suited for professional electronics where the battery is permanently soldered and a long service life with regular power demand is crucial. Examples include wireless alarm systems, GPS trackers and industrial wireless sensors.Is this battery rechargeable?No, this is a primary lithium battery and must not be recharged under any circumstances. Attempting to charge the cell is dangerous and can lead to overheating, leakage or the cell bursting.What does the passivation effect mean for this battery?After longer storage, a protective layer forms on the lithium surface, minimising self-discharge. The iXtra series is designed so that this layer breaks down more quickly and with less voltage drop under load than in the SL-700 series, which is advantageous for applications with regular current pulses.

The Tadiran SL-360PR from the iXtra series is a primary lithium thionyl chloride battery in the widely used AA (Mignon) format. It was specially developed for applications requiring a long service life combined with moderate current capacity. This version is pre-fitted with radial pins for specific and safe mounting on PCBs. With a nominal voltage of 3.6 V and a very high capacity of 2.4 Ah, it offers the ideal energy solution for professional electronics with regular power consumption.Highlights at a glanceFor PCB mounting: Pre-fitted with radial pins for direct installation.Optimised for moderate loads: High capacity and stable voltage even with moderate current demand.Very high capacity: 2.4 Ah for maximally extended and self-sufficient operating time.High nominal voltage: Stable voltage of 3.6 V throughout nearly its entire service life.Wide temperature range: Reliable operation from -55 °C to +85 °C.Powerful in a wide range of applicationsThe Tadiran SL-360PR was purpose-designed for applications where a long service life and improved power performance are crucial. The radial pins enable specific and space-saving placement on the PCB. Its main fields of application include wireless alarm and security systems, GPS tracking modules, professional two-way radios, data loggers as well as industrial meters and measuring devices (metering) that regularly transmit data.Designed for maximum safety and efficiencyThe safety and longevity of the SL-360PR are based on Tadiran's proven design. The cell features a hermetic glass-to-metal seal, which reliably prevents electrolyte leakage. The inorganic electrolyte used is non-flammable and ensures a high level of inherent safety. Each cell is designed to deliver its energy constantly and safely over a very long period, minimising maintenance costs and reducing the total operating costs of your application.iXtra series: The technology for higher performanceThe Tadiran iXtra series is designed to provide enhanced voltage stability under load. Compared to the standard series (SL-700), which is optimised for ultra-low continuous current, the SL-300 series performs better for medium load requirements and pulse currents. As a result, the passivation effect is impressed more quickly, delivering a more stable power supply in applications that "wake up" regularly to perform tasks. Features ModelTadiran SL-360/PR TechnologyLithium thionyl chloride (Li-SOCl₂) SizeAA (Mignon) Nominal voltage (V)3.6 Capacity (mAh)2400 Max. continuous discharge current130 mA Self-dischargeapprox. 1% per year Operating temperature (°C)-55 ~ +85 Dimensions (Ø x L, mm)approx. 14.7 x 50.5 Weight (g)approx. 18 ConnectionRadial pins (PR) RechargeableNo  FAQs about this Tadiran batteryWhat does connection with "radial pins" mean?In contrast to axial connections, which exit centrally from the poles, radial pins are arranged so that they exit from one face of the battery. This configuration is optimised for specific PCB layouts and ensures particularly stable and defined mounting of the cell.What is the difference between the SL-300 (iXtra) and the SL-700 series?The SL-300 (iXtra) series, to which this cell belongs, is optimised for applications with moderate current requirements (e.g. radio sensors). It offers a more stable voltage under load. In contrast, the SL-700 series is designed for absolute long-term use with minimal continuous current, such as in pure memory-backup applications.For which applications is this battery type suitable?This battery type is ideal for professional electronics in which the battery is permanently soldered in and a long service life with regular current demand is crucial. Examples include wireless alarm systems, GPS trackers and industrial wireless sensors with specific PCB layouts.Is this battery rechargeable?No, this is a primary lithium battery and must not be recharged under any circumstances. Attempting to recharge the cell is dangerous and can cause overheating, leakage or bursting of the cell.What does the passivation effect mean with this battery?After prolonged storage, a protective layer forms on the lithium surface, which minimises self-discharge. The iXtra series is designed so that this layer breaks down more quickly and with less voltage loss under load than in the SL-700 series, which is advantageous for applications with regular current pulses.