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CR-V3 battery
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.〔http://data.energizer.com/PDFs/crv3.pdf〕 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 2 alkaline AA batteries). 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 batteries.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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