HomeToolsElectrical CalculatorsmAh to Watts Calculator

mAh to Watts Calculator

Calculate power output from mAh battery capacity.

mAh
Volts
Hours
Watts
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Reference & Formula

Formula

W = mAh × V ÷ (h × 1000)

Explained

Watts equals milliamp-hours times voltage divided by hours times 1000. Gives average power output over discharge time.

Used For

Battery power output rate, backup equipment runtime planning

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