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Battery Capacity Conversions

Convert battery capacity between mAh, Ah, Wh, and kWh at any voltage.
Estimate runtime for phones, laptops, EVs, and solar storage from capacity and load.

Battery Capacity Converter

Convert battery capacity between mAh, Ah, Wh, and kWh at any voltage. Compare phone batteries, power banks, and EV packs and calculate runtime for any device.
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