Appliance Wattage & Running Cost
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What size generator or power station for a projector? (400+ W)

To run a projector, choose at least
400 W running.

A projector draws about 300 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 51 min
500 Wh1 h 25 min
1,000 Wh2 h 50 min
2,000 Wh5 h 40 min
3,000 Wh8 h 30 min

Sizing guide

Minimum running watts400 W
Minimum starting watts400 W
Suggested inverter400 W or higher

See also projector wattage and running cost.

FAQ

How many watts does a projector use?

Home projectors use about 150-800 watts, mostly for the light source.

Is a projector or TV more efficient?

Large TVs are usually more efficient per inch, but projectors scale to huge images cheaply.