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Champion 11000-Watt Dual Fuel Home Backup Inverter vs Westinghouse WGen9500

Champion 11000-Watt Dual Fuel Home Backup Inverter

9000 W running · dual-fuel

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Westinghouse WGen9500

9500 W running · gasoline

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What is the difference?

The Champion 11000-Watt Dual Fuel Home Backup Inverter has 9 kW of running power, 11 kW peak. The Westinghouse WGen9500 has 9.5 kW of running power, 12.5 kW peak.

The Champion 11000-Watt Dual Fuel Home Backup Inverter is dual-fuel, the Westinghouse WGen9500 runs on gasoline.

The Champion 11000-Watt Dual Fuel Home Backup Inverter has a 6.1 gal tank, the Westinghouse WGen9500 has a 6.6 gal tank.

The Champion 11000-Watt Dual Fuel Home Backup Inverter is rated at 64 dB, the Westinghouse WGen9500 is rated at 74 dB. The Champion 11000-Watt Dual Fuel Home Backup Inverter is quieter.

The Champion 11000-Watt Dual Fuel Home Backup Inverter weighs 205 lb, the Westinghouse WGen9500 weighs 208 lb.

Both have a 3-year warranty.

Specs side by side

	Champion 11000-Watt Dual Fuel Home Backup Inverter	Westinghouse WGen9500
Running W	9000	9500
Peak W	11000	12500
Fuel	dual-fuel	gasoline
Tank (gal)	6.1	6.6
Run time @50 % (h)	—	8
Noise (dB)	64	74
CO shutoff	yes	—
Weight (lb)	205	208
Warranty (yr)	3	3
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Specs as read from manufacturer pages on 2026-10-26 / 2026-11-04. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.

Common questions

Which has more running watts, Champion 11000-Watt Dual Fuel Home Backup Inverter or Westinghouse WGen9500?

The Westinghouse WGen9500. More running watts: 9500 W vs 9000 W.

Which is quieter, Champion 11000-Watt Dual Fuel Home Backup Inverter or Westinghouse WGen9500?

The Champion 11000-Watt Dual Fuel Home Backup Inverter. Quieter: 64 dB vs 74 dB.

More comparisons

Compare other models → · All Champion models · All Westinghouse models