How to use the Amps to Watts
The Formula
Power in watts equals current times voltage: W = A × V. A 10 A draw at 12 V is 120 W.
Practical Example
Once you know load watts, use the Battery Runtime or UPS Runtime calculators to estimate how long your system will last.
About Amps to Watts
Amps to watts formula
Power in watts equals current times voltage: W = A × V. A 10 A draw at 12 V is 120 W.
Sizing batteries and UPS
Once you know load watts, use the Battery Runtime or UPS Runtime calculators to estimate how long your system will last.