Amp-hours to watt-hours
Wh = Ah × V. kWh = Wh / 1,000. Depth of discharge and efficiency reduce usable energy.
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Convert amp-hours and voltage to watt-hours and kilowatt-hours.
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Nominal Wh = Ah × V. Real usable energy is usually lower.
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Assumptions and limits.
- Nominal voltage and rated capacity; Peukert and temperature effects are not modelled.
Frequently asked questions
Is rated capacity usable capacity?
No. Usable capacity depends on the discharge limit, temperature and battery condition.