AABATTERY
AA battery
An AA battery also called "double A" or Mignon battery refers to IEC-LR6 battery. It is one of the standard sizes of batteries. Batteries of this size are most commonly used in portable electronic devices. An AA battery is composed of a single electrochemical cell. The exact terminal voltage and capacity of an AA size battery depends on the cell chemistry. AA batteries account for over 50% of general battery sales.The above text is a snippet from Wikipedia: AA battery
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