The CR1/2AA is a high-energy lithium battery from VARTA, designed for long-lasting performance in compact electronic devices. With a 3V output and excellent shelf life, it is ideal for memory backup, sensors, security systems, and industrial equipment. Its compact half-AA size makes it suitable for applications where space is limited, without compromising on reliability or power.
- Type: CR1/2AA Lithium (Primary Cell)
- Voltage: 3V
- Capacity: Approx. 950 mAh
- Chemistry: Lithium Manganese Dioxide (Li-MnOâ‚‚)
- Size: Half-AA (Ø14.5 mm × 25.2 mm length)
- Shelf Life: Up to 10 years
- Operating Temp: –40 °C to +85 °C
- Applications: Memory backup, RTC modules, alarms, medical instruments, and metering devices
- Advantages: High energy density, low self-discharge, wide temperature tolerance







