POC-W21X-BTTE
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31126273-POC-W21X-BTTE
Battery Packs BATERRY PACK, Battery module (4200mAh Li-ion battery) POC-W211, POC-W212, POC-W213 and POC-W242
A battery is a device that stores chemical energy, and converts it to electricity. This is known as electrochemistry and the system that underpins a battery is called an electrochemical cell. A battery can be made up of one or several (like in Volta's original pile) electrochemical cells.