A CR-V3 battery (sometimes CRV3) is a type of disposable high-capacity 3-Volt

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used in various electronic appliances, including some

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s. It has the shape and size of two side-by-side

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. 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 A lithium-ion or Li-ion battery is a type of rechargeable battery which uses the reversible reduction of lithium ions to store energy. It is the predominant battery type used in portable consumer electronics and electric vehicles. It also se ...

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 2 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

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rechargeable batteries or even

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, 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. Friday, 4 October 2019

Rechargeable RCR-V3 batteries

Rechargeable

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.

References

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Disposable CR-V3 batteries

Rechargeable RCR-V3 batteries

See also

References