Varta lithium round cell CRAA 3V
Description
Product information
The VARTA CRAA is a high-performance 3-volt lithium primary battery in AA size, developed for professional and industrial applications with the highest requirements for longevity and reliability. Based on lithium-manganese dioxide technology (Li-MnO2), it offers high energy density, extremely low self-discharge, and a very wide operating temperature range. As a loose cell ("bulk"), it is the ideal energy source for the initial equipment (OEM) of durable and low-maintenance electronic devices.
Highlights at a glance
- Extreme longevity: Up to 10 years storage life thanks to extremely low self-discharge.
- High capacity: Provides a very high energy reserve for long-lasting autonomy in the AA format.
- Wide temperature range: Reliable performance under extreme conditions from -40 °C to +85 °C.
- High energy density: Maximum energy for demanding applications with long runtime requirements.
- Industrial top quality: Developed and manufactured for demanding OEM applications and safety-related electronics.
Reliable energy for long-term applications
The VARTA CRAA is the preferred energy source for "fit and forget" applications where a battery change is not intended for years. Its main area of use is powering smart meters (smart metering for water, gas, electricity), industrial controllers (PLC), safety sensors, alarm systems, and the buffering of memory components (SRAM/CMOS backup) in professional electronics.
Superior lithium manganese dioxide technology
Lithium manganese dioxide technology (Li-MnO2) is the key to the outstanding performance of this cell. It allows 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 operation even after many years of storage. The technology is also known for its high safety and reliability in industrial environments.
Developed for industrial integration
As a highly specialised individual cell, the CRAA is optimised for industrial processing and assembly into battery solutions. Its robust construction and high quality ensure process-safe integration into end devices. With this cell, VARTA offers developers and manufacturers a reliable and powerful platform for the development of durable and low-maintenance products.
Features
| Model | VARTA Lithium round cell CRAA |
| Battery type | Lithium-manganese dioxide (Li-MnO2) |
| Nominal voltage (V) | 3.0 |
| Capacity (mAh) | 2000 |
| Diameter (mm) | 14.75 |
| Height (mm) | 50.5 |
| Weight (g) | 21.5 |
FAQs about the VARTA Lithium Battery CRAA
What is the main advantage of this lithium battery?
The key advantage is the extremely long service and storage life of up to 10 years, combined with a very wide operating temperature range. It provides reliable energy for many years and is therefore ideal for maintenance-free devices where the battery is permanently installed.
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 lead to fire or explosion.
What is the difference to a normal 1.5V AA battery (alkaline or lithium)?
The main difference is the voltage. This CRAA cell has a nominal voltage of 3 volts, whereas standard AA batteries have 1.5 volts. It is therefore not suitable as a direct replacement for 1.5V batteries and may only be used in devices that are explicitly designed for the 3-volt lithium type CRAA.
How should this battery be disposed of?
Batteries must not be disposed of in 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.
Properties
| Capacity: | 2Ah |
|---|---|
| Tension: | 3V |
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The VARTA CR2/3AA is a high-performance 3-volt lithium primary battery developed for professional and industrial applications with the highest requirements for longevity and reliability. Based on lithium manganese dioxide technology (Li-MnO2), it offers high energy density, extremely low self-discharge and a very wide operating temperature range. As a loose cell, it is the ideal energy source for the initial equipment (OEM) of durable and low-maintenance electronic devices.Highlights at a glanceExtreme longevity: Up to 10 years of storage thanks to extremely low self-discharge.High energy density: Maximum energy in a compact form for prolonged autonomy.Wide temperature range: Reliable performance under extreme conditions from -40 °C to +85 °C.High capacity: 1.35 Ah for energy-intensive applications with long run time requirements.Industrial top quality: Developed and manufactured for demanding OEM applications and safety-relevant electronics.Reliable energy for long-term applicationsThe VARTA CR2/3AA is the preferred power source for "fit and forget" applications where battery replacement is not planned for years. Its main area of use is for supplying security sensors (e.g. in alarm systems), smart meters (smart metering for water, gas, electricity), industrial control systems (PLC) and the backup of memory modules (SRAM/CMOS backup). It is the optimal solution for all self-sufficient, wireless devices.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) is the key to the outstanding performance of this cell. It 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 serviceability even after many years of storage. The technology is also known for its high safety and reliability in industrial environments.Developed for industrial integrationAs a highly specialised single cell, the CR2/3AA is optimised for industrial further processing and assembly into battery solutions. Its robust construction and high quality ensure reliable integration into end devices. VARTA offers developers and manufacturers a reliable and powerful platform for the development of durable and low-maintenance products with this cell. Characteristics Model VARTA Lithium Battery CR2/3AA Battery type Lithium manganese dioxide (Li-MnO2) Rated voltage (V) 3.0 Capacity (mAh) 1350 Diameter (mm) 14.75 Height (mm) 33.5 Weight (g) 17.0 FAQs about the VARTA Lithium Battery CR2/3AAWhat is the main advantage of this lithium battery?The crucial advantage is the extremely long service and storage life of up to 10 years, combined with a very wide operating temperature range. It supplies reliable energy for many years and is therefore ideal for maintenance-free devices in which the battery is permanently built in.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 can lead to fire or explosion.How is this cell integrated into a device?As an industrial raw cell, the CR2/3AA is usually assembled with attached solder pins or solder tabs to then be safely soldered onto a circuit board. It can also be used in special battery holders.What does the size designation "2/3 AA" mean?This means that the cell has the same diameter as a standard AA battery, but only about two thirds of its height. This compact form allows use in space-critical applications.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 respective designated industrial or municipal collection points to ensure proper and environmentally friendly recycling.
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The VARTA CR1/2AA is a high-performance 3-volt lithium primary battery that has been developed for professional and industrial applications with the highest demands on longevity and reliability. Based on lithium manganese dioxide technology (Li-MnO2), it offers high energy density, extremely low self-discharge and a very wide operating temperature range. As a loose cell, it is the ideal energy source for the initial equipment (OEM) of long-lasting electronic devices.Highlights at a glanceExtreme longevity: Up to 10 years shelf life thanks to extremely low self-discharge.High energy density: Maximum energy in a compact design for long-lasting autonomy.Wide temperature range: Reliable performance under extreme conditions from -40 °C to +85 °C.Stable voltage: Constant 3-volt voltage over almost the entire battery life.Industrial top quality: Developed and manufactured for demanding OEM applications and safety-relevant electronics.Reliable energy for long-term applicationsThe VARTA CR1/2AA is the preferred energy source for "fit and forget" applications where a battery change is not intended for years. Its main field of application is the supply of memory chips (SRAM/CMOS backup) and real-time clocks (RTC) in industrial PCs and controllers (PLCs). It is also ideal for use in the metering industry (smart metering for water, gas, electricity), in safety sensors, automotive sector, and medical technology.Superior lithium manganese dioxide technologyLithium manganese dioxide technology (Li-MnO2) is the key to the exceptional performance of this cell. It enables a very 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. The technology is also known for its high safety and reliability.Developed for industrial integrationAs a highly specialised single cell, the CR1/2AA is optimised for industrial processing and assembly into battery solutions. Its robust construction and high quality ensure process-safe integration into end devices. With this cell, VARTA offers developers and manufacturers a reliable and high-performance platform for developing long-lasting and low-maintenance products. Features Model VARTA Lithium Battery CR1/2AA Battery type Lithium manganese dioxide (Li-MnO2) Nominal voltage (V) 3.0 Capacity (mAh) 950 Diameter (mm) 14.75 Height (mm) 25.1 Weight (g) 11.5 FAQs about the VARTA Lithium Battery CR1/2AAWhat is the main advantage of this lithium battery?The key advantage is the extremely long service and storage life of up to 10 years, combined with a very wide operating temperature range. It reliably provides energy over many years and is therefore ideal for maintenance-free devices in which the battery is permanently installed.Is this battery rechargeable?No. This is a lithium primary battery. It must not, under any circumstances, be attempted to be recharged. Attempts to charge are extremely dangerous and may lead to fire or explosion.How is this cell integrated into a device?As an industrial raw cell, the CR1/2AA is usually configured with welded solder pins or solder tabs in order to then solder it securely to a circuit board. It can also be used in special battery holders.What is a 3-volt battery of this size needed for?It is mainly used for buffering memories and real-time clocks in computers and industrial controllers (PLCs). The 3-volt voltage is perfectly matched to the requirements of many common microchips and memory modules.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 disposal.
