LiFePo4 20Ah Lithium Battery 12.8V - Energiestor
Watt-Hours (Wh). The number of watt hours in a battery is simply the battery voltage, say 12.8V multiplied by the Battery Ah, i.e. 12.8 x 100Ah = 1280Wh. This means, at 100% discharge, 1 watt can be discharged from this battery for 1280 hours, or 100 watts can be discharged from this battery for 12.8 hours.
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