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Alkaline & Lithium Coin Cell / Button Cell Batteries

Assortment of Button Cell BatteriesA watch battery or button cell is a small single cell lithium or alkaline battery that has a pinched cylinder shape that is between 5 to 25 mm in diameter and 1 to 6 mm thick—like a button on your clothing. Button cells are used to power small portable electronic devices such as wrist watches, pocket calculators, pacemakers, digital thermometers, calculators, laser pointers, kids toys and hearing aids. Lithium cells tend to be larger in diameter and referred more often to as coin cells rather than button cells.

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  1. Most widely used button cell battery. The button battery AG13 / LR44 fits a host of applications.
  2. The AG1 / LR621 is typically used in small toys and watches.
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