Table
Battery Runtime by Load and Usable kWh
Battery Runtime by Load and Usable kWh lookup table with assumptions and boundary notes.
Scope
Runtime arithmetic only. It does not include inverter surge, low-temperature derating, standby loads, or reserve requirements.
Lookup table
Estimate runtime from usable battery energy and steady load.
Scroll sideways to keep row labels aligned with hidden columns.
| Load (W) | 1 kWh usable | 5 kWh usable | 10 kWh usable |
|---|---|---|---|
| 100 | 10 h | 50 h | 100 h |
| 250 | 4 h | 20 h | 40 h |
| 500 | 2 h | 10 h | 20 h |
| 1000 | 1 h | 5 h | 10 h |
| 2000 | 0.5 h | 2.5 h | 5 h |
| 5000 | 0.2 h | 1 h | 2 h |
Notes
- Check table values for preliminary lookup and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.