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What size generator or power station for a pool pump? (1,900+ W)
To run a pool pump, choose at least
1,900 W running · 3,000 W startup surge.
1,900 W running · 3,000 W startup surge.
A pool pump draws about 1,500 W while running, but its motor can spike to roughly 3,000 W at startup, so size for the surge. Pick a generator, inverter or power station rated comfortably above these numbers.
Battery runtime calculator
Estimated runtime—
Assumes about 85% usable capacity. Motors need extra headroom for startup surge.
How long a power station lasts
| Power station | Estimated runtime |
|---|---|
| 300 Wh | 0 h 10 min |
| 500 Wh | 0 h 17 min |
| 1,000 Wh | 0 h 34 min |
| 2,000 Wh | 1 h 8 min |
| 3,000 Wh | 1 h 42 min |
Sizing guide
| Minimum running watts | 1,900 W |
| Minimum starting watts | 3,000 W |
| Suggested inverter | 3,000 W or higher |
See also pool pump wattage and running cost.
FAQ
How many watts does a pool pump use?
Single-speed pumps draw 750-2500 watts; variable-speed pumps use far less.
How can I cut pool pump costs?
Switch to a variable-speed pump and run it fewer hours on a timer.
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