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What size generator or power station for a robot vacuum? (50+ W)
To run a robot vacuum, choose at least
50 W running.
50 W running.
A robot vacuum draws about 30 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 | 8 h 30 min |
| 500 Wh | 14 h 10 min |
| 1,000 Wh | 28 h 20 min |
| 2,000 Wh | 56 h 40 min |
| 3,000 Wh | 85 h 0 min |
Sizing guide
| Minimum running watts | 50 W |
| Minimum starting watts | 50 W |
| Suggested inverter | 100 W or higher |
See also robot vacuum wattage and running cost.
FAQ
How many watts does a robot vacuum use?
Around 20-90 watts while charging; very little over a full day.
Does the dock waste power when idle?
Only a couple of watts to keep the robot topped up - negligible on your bill.
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