Champion 5500-Watt Dual Fuel Inverter vs WEN DF400iX
What is the difference?
The Champion 5500-Watt Dual Fuel Inverter has 4 kW of running power, 5.5 kW peak. The WEN DF400iX has 3.2 kW of running power, 4 kW peak.
Both are dual-fuel.
The Champion 5500-Watt Dual Fuel Inverter has a 2.9 gal tank, the WEN DF400iX has a 2.2 gal tank.
The Champion 5500-Watt Dual Fuel Inverter is rated at 70 dB, the WEN DF400iX is rated at 58 dB. The WEN DF400iX is quieter.
Both have a 3-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 DF400iX | |
|---|---|---|
| Running W | 4000 | 3200 |
| Peak W | 5500 | 4000 |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | 2.9 | 2.2 |
| Run time @50 % (h) | — | 8.5 |
| Noise (dB) | 70 | 58 |
| CO shutoff | yes | yes |
| Weight (lb) | 85 | — |
| Warranty (yr) | 3 | 3 |
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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 DF400iX?
The Champion 5500-Watt Dual Fuel Inverter. More running watts: 4000 W vs 3200 W.
Which is quieter, Champion 5500-Watt Dual Fuel Inverter or WEN DF400iX?
The WEN DF400iX. Quieter: 58 dB vs 70 dB.
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