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What size generator or power station for an angle grinder? (1,500+ W)
To run an angle grinder, choose at least
1,500 W running.
1,500 W running.
An angle grinder draws about 1,200 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 13 min |
| 500 Wh | 0 h 21 min |
| 1,000 Wh | 0 h 43 min |
| 2,000 Wh | 1 h 25 min |
| 3,000 Wh | 2 h 8 min |
Sizing guide
| Minimum running watts | 1,500 W |
| Minimum starting watts | 1,500 W |
| Suggested inverter | 1,500 W or higher |
See also angle grinder wattage and running cost.
FAQ
How many watts does an angle grinder use?
Around 700-2500 watts depending on disc size and load.
What inverter runs an angle grinder?
Choose one rated above the grinder's peak load with headroom for surges.
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