CR-V3 battery

The battery compartment of this camera is designed to accept four AA cells or two CR-V3 batteries.
A CR-V3 battery with matchstick and AA battery for comparison.

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[1]. This allows CR-V3 batteries to function in many (though not all) devices originally designed only for AA batteries. An RCR-V3 battery is a rechargeable 3.7 V lithium-ion battery.

Contents

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 alkaline batteries or even NiMH rechargeable batteries, a CR-V3 battery is designed to last much longer than a pair of AA batteries. [2]

Rechargeable RCR-V3 batteries

Rechargeable lithium-ion RCR-V3 batteries, with a nominal voltage of 3.7 V, are also available. A review by Andrzej Wrotniak concluded that "1700 mAh NiMH's easily outperformed [1200 mAh RCR-V3's]" in tests using two digital cameras. [2]

See also

References

  1. ^ http://data.energizer.com/PDFs/crv3.pdf
  2. ^ a b Wrotniak, Andrzej (1 February 2005). "The rechargeable RCR-V3 battery: An alternative to NiMH AA's?". http://www.wrotniak.net/photo/c/rcr-v3.html. Retrieved 11 December 2009. 
Portable cells
Portable batteries
9-Volt (PP3) battery  • Lantern battery  • A23 battery  • CR-V3 battery
Button cells