Varta CR1/2AA (CR14250) 3V Lithium Battery
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Prices updated: 13 Oct 2026
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About this product
Half-size AA 3V lithium manganese dioxide cell (CR14250) for low-drain electronics such as CMOS memory backup and diving computers. It operates from -40°C to +85°C, self-discharges less than 0.5% per year at 20°C, and has a listed shelf life of 10 years. Maximum discharge current is 10mA.
Specifications
- Nominal voltage
- 3V
- Chemistry
- Lithium manganese dioxide (Li-MnO2)
- Operating temperature
- -40°C to +85°C
- Self-discharge
- Less than 0.5% per year at 20°C
- Shelf life
- 10 years
- Max discharge current
- 10mA
- Size
- Half AA
Frequently asked questions
Can I use it in place of an AA battery?
No. It is half the size of an AA and produces 3V, not 1.5V. It fits CR1/2AA holders only, and it should not be substituted into 1.5V AA devices.
Is it rechargeable?
It is a primary lithium cell, so it is designed to be used and discarded rather than recharged. It suits low-drain applications, with a maximum discharge current of 10mA.
