Battery | Range | Uphill | Charging Time

E-Bike Battery Calculator

Calculate volts, ampere hours and watt hours at a battery of an e-bike. An e-bike, electric bicycle or pedelec is a bicycle with an electric auxiliary motor, which gets its energy from a rechargeable battery. Important numbers for such a battery are the voltage in volts (V), the electric charge in ampere hours (Ah) and the electric energy in watt hours (Wh). Often only voltage and charge are indicated. The most important value is the electric energy, which is the energy the battery can provide for the engine. Simplified, it is how much the battery can do. The energy is calculated as voltage times charge.
Please enter two values, the third value will be calculated. Further units to choose are kV=kilovolts, mAh=milliampere hours, kJ=kilojoules, kWh=kilowatt hours.


Example: a battery with a voltage of 36 volts and a charge of 12 ampere hours has a theoretical available energy of 432 watt hours.

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