The C battery (or R14 battery) is a standard size of battery typically used in medium-drain applications such as toys and musical instruments.
As of 2007, C batteries accounted for 4% of alkaline primary battery sales in the US. In Switzerland as of 2008, C batteries totalled 5.4% of primary battery sales and 3.4% of secondary battery sales. [1] [2]
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A C battery measures 50 mm in length and 26.2 mm in diameter. [3]
The voltage and capacity of a C size battery depends on the battery chemistry and discharge conditions. Alkaline C batteries can hold up to 8,000 mAh, rechargeable NiMH C batteries can hold up to 6,000 mAh, and zinc-carbon C batteries usually hold up to 3,800 mAh.
Like the D battery, the C battery size has been standardized since the 1920s. [4]
The C battery is called "14" in current ANSI standards of battery nomenclature, and in IEC standards is designated "R14".
The C cell is among the "five basic sizes of flashlight cells" (D, C, AA, AAA, and N) that have been in common use since the 1950s. [5]
U11 (In Britain until the 1980s)
MN1400
MX1400
Baby
Type 343 (Soviet Union/Russia)
BA-42 (US Military Spec WWII–1980s)
UM 2 (JIS)
#2 (China)
6135-99-199-4779 (NSN)(carbon-zinc)
6135-99-117-3212 (NSN)(alkaline)
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