A CR-V3 battery (sometimes CRV3) is a type of disposable high-capacity 3-Volt
battery
Battery most often refers to:
* Electric battery, a device that provides electrical power
* Battery (crime), a crime involving unlawful physical contact
Battery may also refer to:
Energy source
*Automotive battery, a device to provide power t ...
used in various electronic appliances, including some
digital camera
A digital camera is a camera that captures photographs in digital memory. Most cameras produced today are digital, largely replacing those that capture images on photographic film. Digital cameras are now widely incorporated into mobile device ...
s. It has the shape and size of two side-by-side
AA batteries
AA, Aa, Double A, or Double-A may refer to:
Arts, entertainment and media
* ''America's Army'', a 2002 computer game published by the U.S. Army
* '' Ancient Anguish'', a computer game in existence since 1992
* Aa!, a J-Pop musical group
* Dou ...
. 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 sees ...
battery.
Disposable CR-V3 batteries
Often, a CR-V3 battery is a single cell based on a non-rechargeable
lithium battery
Lithium battery may refer to:
* Lithium metal battery, a non-rechargeable battery with lithium as an anode
** Rechargeable lithium metal battery, a rechargeable counterpart to the lithium metal battery
* Lithium-ion battery, a rechargeable batte ...
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
In physics, energy density is the amount of energy stored in a given system or region of space per unit volume. It is sometimes confused with energy per unit mass which is properly called specific energy or .
Often only the ''useful'' or extract ...
than
NiMH NIMH may refer to:
*Nickel–metal hydride battery (NiMH), a type of electrical battery
*National Institute of Mental Health, an agency of the United States government
*National Institute of Medical Herbalists, a professional organisation in the Un ...
rechargeable batteries or even
alkaline batteries
An alkaline battery (IEC code: L) is a type of primary battery where the electrolyte (most commonly potassium hydroxide) has a pH value above 7. Typically these batteries derive energy from the reaction between zinc metal and manganese dioxi ...
, 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
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 sees ...
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
*
Battery recycling
Battery recycling is a recycling activity that aims to reduce the number of batteries being disposed as municipal solid waste. Batteries contain a number of heavy metals and toxic chemicals and disposing of them by the same process as regular ...
*
AA battery
References
{{Portal bar, Energy, Electronics
Battery shapes