Appliance Wattage & Running Cost
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What size generator or power station for an electric chainsaw? (2,250+ W)

To run an electric chainsaw, choose at least
2,250 W running.

An electric chainsaw draws about 1,800 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 stationEstimated runtime
300 Wh0 h 9 min
500 Wh0 h 14 min
1,000 Wh0 h 28 min
2,000 Wh0 h 57 min
3,000 Wh1 h 25 min

Sizing guide

Minimum running watts2,250 W
Minimum starting watts2,250 W
Suggested inverter2,300 W or higher

See also electric chainsaw wattage and running cost.

FAQ

How many watts does an electric chainsaw use?

About 1200-2400 watts under cutting load.

Is an electric chainsaw cheap to run?

Yes - occasional use adds only cents to your bill.