How to convert milliamp-hours (mAh) to watt-hours (Wh).
So The energy E(Wh) in watt-hours is equal to the electric charge Q(mAh) in milliamp-hours times the voltage V(V) in volts (V) divided by 1000:
E(Wh) = Q(mAh) × V(V) / 1000
So watt-hours is equal to milliamp-hours times volts divided by 1000:
watt-hours = milliamp-hours × volts / 1000
or
Wh = mAh × V / 1000
Find the energy in watt-hours when the electric charge is 300 milliamp-hours and the voltage is 3 volts.
The energy E is equal to 300 milliamp-hours times 3 volts divided by 1000:
E = 300mAh × 3V / 1000 = 0.9Wh
Find the energy in watt-hours when the electric charge is 400 milliamp-hours and the voltage is 3 volts.
The energy E is equal to 400 milliamp-hours times 3 volts divided by 1000:
E = 400mAh × 3V / 1000 = 1.2Wh
Find the energy in watt-hours when the electric charge is 600 milliamp-hours and the voltage is 3 volts.
The energy E is equal to 600 milliamp-hours times 3 volts divided by 1000:
E = 600mAh × 3V / 1000 = 1.8Wh
Find the energy in watt-hours when the electric charge is 1000 milliamp-hours and the voltage is 3 volts.
The energy E is equal to 1000 milliamp-hours times 3 volts divided by 1000:
E = 10000mAh × 3V / 1000 = 3Wh
Find the energy in watt-hours when the electric charge is 2000 milliamp-hours and the voltage is 3 volts.
The energy E is equal to 2000 milliamp-hours times 3 volts divided by 1000:
E = 2000mAh × 3V / 1000 = 6Wh
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