What size generator or power station for a refrigerator? (200+ W)
To run a refrigerator, choose at least
200 W running · 1,200 W startup surge.
200 W running · 1,200 W startup surge.
A refrigerator draws about 150 W while running, but its motor can spike to roughly 1,200 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 | 1 h 42 min |
| 500 Wh | 2 h 50 min |
| 1,000 Wh | 5 h 40 min |
| 2,000 Wh | 11 h 20 min |
| 3,000 Wh | 17 h 0 min |
Sizing guide
| Minimum running watts | 200 W |
| Minimum starting watts | 1,200 W |
| Suggested inverter | 1,200 W or higher |
See also refrigerator wattage and running cost.
FAQ
How many watts does a refrigerator use?
Most home refrigerators draw 100-250 watts while the compressor runs, averaging about 150 W.
How much does a fridge cost to run per month?
Roughly 6 to 12 dollars a month at $0.17/kWh, since the compressor only runs part of the time.