AAABATTERY
AAA battery
An AAA or triple-A battery is a standard size of dry cell battery commonly used in portable electronic devices. A carbon-zinc battery in this size is designated by IEC as "R03", by ANSI C18.1 as "24", by old JIS standard as "UM 4", and by other manufacturer and national standard designations that vary depending on the cell chemistry.The above text is a snippet from Wikipedia: AAA battery
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