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A CR-V3 battery (sometimes CRV3) is a type of disposable high-capacity 3-volt battery used in various electronic appliances, including some digital cameras. It has the shape and size of two side-by-side AA batteries. This allows CR-V3 batteries to function in many (though not all) devices originally designed for only AA batteries. An RCR-V3 battery is a rechargeable 3.7 V lithium-ion battery.

Disposable CR-V3 batteries

Often, a CR-V3 battery is a single cell based on a non-rechargeable lithium battery chemistry, with a nominal voltage of 3 V (the same as two alkaline AA batteries). Duracell Ultra CR-V3 is composed of two 3 V AA sized lithium cells connected in parallel. Because both lithium and lithium-ion chemistries offer higher energy density than NiMH rechargeable batteries or even alkaline batteries, a CR-V3 battery is designed to last much longer than a pair of AA batteries. Some more recent CR-V3 batteries are composed of 2 lithium AA rechargeable batteries.

Rechargeable RCR-V3 batteries

Rechargeable lithium-ion RCR-V3 batteries, with a nominal voltage of 3.7 V, are also available. Some have a third smaller terminal used for charging and may not be compatible with chargers from different manufacturers.

See also

• AA battery
• Battery recycling

References

1. ENERGIZER CRV3 - Specifications and Industry Standard Dimensions
2. What are Household Lithium Batteries towsonbattery.com Retrieved 7 May 2023.
3. Wrotniak, Andrzej (1 February 2005). "The rechargeable RCR-V3 battery: An alternative to NiMH AA's?". Retrieved 11 December 2009.
4. "Battery equivalents guide". Friday, 4 October 2019

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