Appliance Wattage & Running Cost
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What size generator or power station for a soundbar? (50+ W)

To run a soundbar, choose at least
50 W running.

A soundbar draws about 35 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 Wh7 h 17 min
500 Wh12 h 9 min
1,000 Wh24 h 17 min
2,000 Wh48 h 34 min
3,000 Wh72 h 51 min

Sizing guide

Minimum running watts50 W
Minimum starting watts50 W
Suggested inverter100 W or higher

See also soundbar wattage and running cost.

FAQ

How many watts does a soundbar use?

Around 20-60 watts at normal listening levels.

Does a soundbar add much to my bill?

Very little - even daily use costs only a dollar or two a year.