Battery

Ah, Wh and mAh

Battery Capacity: Watt-hour (Wh), Ampere-hour (Ah), mAh

Understanding Watt-hour (Wh), Ampere-hour (Ah), and mAh A snapshot: Watt-hour (Wh) is the energy capacity of a battery, ampere-hour (Ah) is the charge capacity of a battery, and milliampere-hour (mAh) indicates one-thousandth of an Ah. Ah, or mAh is mostly seen on the bodies of batteries while Wh is rarely seen. However, Wh gives a …

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