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What size generator or power station for a cable box? (50+ W)
To run a cable box, choose at least
50 W running.
50 W running.
A cable box draws about 30 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 station | Estimated runtime |
|---|---|
| 300 Wh | 8 h 30 min |
| 500 Wh | 14 h 10 min |
| 1,000 Wh | 28 h 20 min |
| 2,000 Wh | 56 h 40 min |
| 3,000 Wh | 85 h 0 min |
Sizing guide
| Minimum running watts | 50 W |
| Minimum starting watts | 50 W |
| Suggested inverter | 100 W or higher |
See also cable box wattage and running cost.
FAQ
How many watts does a cable box use?
About 15-45 watts - and many keep drawing 20+ watts even when off.
Can I cut cable box standby power?
Put it on a switched outlet, but check it does not miss scheduled recordings.
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