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What size generator or power station for a gaming PC? (650+ W)
To run a gaming PC, choose at least
650 W running.
650 W running.
A gaming PC draws about 500 W while running. 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 31 min |
| 500 Wh | 0 h 51 min |
| 1,000 Wh | 1 h 42 min |
| 2,000 Wh | 3 h 24 min |
| 3,000 Wh | 5 h 6 min |
Sizing guide
| Minimum running watts | 650 W |
| Minimum starting watts | 650 W |
| Suggested inverter | 700 W or higher |
See also gaming PC wattage and running cost.
FAQ
How many watts does a gaming PC use?
Under load, typically 300-1000 watts depending on the GPU and CPU.
Does capping frame rate save power?
Yes - limiting FPS reduces GPU load and noticeably cuts wattage.
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