Why Watt-hours?
Watt-hours are a better measure of total energy than Amp-hours because they account for voltage. A 12V 100Ah battery has much more energy than a 3.7V 100Ah battery.
Calculator
Enter your values
Analysis
Interpretation of the current calculator output
Enter values to see detailed analysis and insights.
How to Use
Step-by-step instructions
- 1Enter the battery voltage.
- 2Enter the battery capacity in Amp-hours (Ah).
- 3The calculator will display the energy in Watt-hours and Joules.
Energy Storage
Calculates the total energy stored in a battery based on its voltage and charge capacity.
Energy (Wh) = Voltage (V) × Capacity (Ah)Variables:
VVoltageAhAmp-hoursExample
Car Battery
Inputs:
Voltage:12 V
Capacity:50 Ah
Steps:
- 1.Wh = 12 * 50 = 600 Wh
Result:
600 Wh