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What size generator or power station for an electric toothbrush? (50+ W)
To run an electric toothbrush, choose at least
50 W running.
50 W running.
An electric toothbrush draws about 3 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 | 85 h 0 min |
| 500 Wh | 141 h 40 min |
| 1,000 Wh | 283 h 20 min |
| 2,000 Wh | 566 h 40 min |
| 3,000 Wh | 850 h 0 min |
Sizing guide
| Minimum running watts | 50 W |
| Minimum starting watts | 50 W |
| Suggested inverter | 100 W or higher |
See also electric toothbrush wattage and running cost.
FAQ
How many watts does an electric toothbrush use?
Only 1-5 watts while charging on its dock.
Should I leave it on the charger?
It is fine - the draw is trivial, though unplugging fully saves a tiny bit.
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