Estimate usable runtime from nominal battery energy, depth of discharge, conversion efficiency and load.
Independent research
Source-backed specifications
Transparent assumptions
Updated for system fit
Enter your values and calculate.
How the estimate works
Usable watt-hours = voltage × amp-hours × usable depth × efficiency. Runtime = usable watt-hours ÷ load watts. Inverter standby draw, temperature, cable loss, ageing and surge loads can reduce real runtime.