Champion 5500-Watt Dual Fuel Inverter vs WEN GN400iX
What is the difference?
The Champion 5500-Watt Dual Fuel Inverter has 4 kW of running power, 5.5 kW peak. The WEN GN400iX has 3.5 kW of running power, 4 kW peak.
The Champion 5500-Watt Dual Fuel Inverter is dual-fuel, the WEN GN400iX runs on gasoline.
The Champion 5500-Watt Dual Fuel Inverter has a 2.9 gal tank, the WEN GN400iX has a 1.8 gal tank.
The Champion 5500-Watt Dual Fuel Inverter has a 3-year warranty, the WEN GN400iX has a 2-year warranty.
Both have 120 V AC output.
The Champion 5500-Watt Dual Fuel Inverter can add extra batteries.
Specs side by side
| Champion 5500-Watt Dual Fuel Inverter | WEN GN400iX | |
|---|---|---|
| Running W | 4000 | 3500 |
| Peak W | 5500 | 4000 |
| Fuel | dual-fuel | gasoline |
| Tank (gal) | 2.9 | 1.8 |
| Run time @50 % (h) | — | 7 |
| Noise (dB) | 70 | — |
| CO shutoff | yes | yes |
| Weight (lb) | 85 | — |
| Warranty (yr) | 3 | 2 |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-31. 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 5500-Watt Dual Fuel Inverter or WEN GN400iX?
The Champion 5500-Watt Dual Fuel Inverter. More running watts: 4000 W vs 3500 W.
Which has the longer warranty, Champion 5500-Watt Dual Fuel Inverter or WEN GN400iX?
The Champion 5500-Watt Dual Fuel Inverter. Longer warranty: 3 years vs 2 years.
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