Sizing tools
Which generator do I need?
Add up your appliances and find the generator size you need, starting surge included.
Tick what you want to run at the same time.
Home backup
1
1
Shop and power tools
Job site
Outdoors and camping
Running load
300W
Starting surge
700W
Motors draw up to three times as much on start-up
Suggested generator
900W
With a 20% margin so it never runs at the limit
COMPANION machines that fit
Typical indicative ratings. A specific appliance may draw more: check its rating plate. Do not connect sensitive loads without checking the generator's waveform quality first.