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

To run a fluorescent tube, choose at least
50 W running.

A fluorescent tube draws about 32 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 58 min
500 Wh13 h 17 min
1,000 Wh26 h 34 min
2,000 Wh53 h 8 min
3,000 Wh79 h 41 min

Sizing guide

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

See also fluorescent tube wattage and running cost.

FAQ

How many watts does a fluorescent tube use?

A typical 4-foot tube uses about 18-40 watts plus a little for the ballast.

Can I replace tubes with LED?

Yes - LED tubes use less power and turn on instantly without flicker.