Energy in Watt-hours (Wh) to electric charge in milliamp-hours (mAh) calculator.

Enter the energy in watt-hours (Wh) and voltage in volts (V) and
press the *Calculate* button:

The electric charge *Q*_{(mAh)} in milliamp-hours (mAh) is equal to
1000 times the energy *E*_{(Wh)} in watt-hours (Wh) divided by the voltage *V*_{(V)} in volts (V):

*Q*_{(mAh)} = 1000 × *E*_{(Wh)} / *V*_{(V)}

So milliamp-hours is equal to 1000 times watt-hours divided by volts:

milliamp-hours = 1000 × watt-hours / volts

or

mAh = 1000 × Wh / V

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