Champion 5500-Watt Dual Fuel Inverter vs WEN 56477i
What is the difference?
The Champion 5500-Watt Dual Fuel Inverter has 4 kW of running power, 5.5 kW peak. The WEN 56477i has 4 kW of running power, 4.8 kW peak.
The Champion 5500-Watt Dual Fuel Inverter is dual-fuel, the WEN 56477i runs on gasoline.
The Champion 5500-Watt Dual Fuel Inverter has a 2.9 gal tank, the WEN 56477i has a 1.9 gal tank.
The Champion 5500-Watt Dual Fuel Inverter is rated at 70 dB, the WEN 56477i is rated at 62 dB. The WEN 56477i 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 56477i | |
|---|---|---|
| Running W | 4000 | 4000 |
| Peak W | 5500 | 4800 |
| Fuel | dual-fuel | gasoline |
| Tank (gal) | 2.9 | 1.9 |
| Run time @50 % (h) | — | 7 |
| Noise (dB) | 70 | 62 |
| CO shutoff | yes | — |
| Weight (lb) | 85 | — |
| Warranty (yr) | 3 | 3 |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-27. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which is quieter, Champion 5500-Watt Dual Fuel Inverter or WEN 56477i?
The WEN 56477i. Quieter: 62 dB vs 70 dB.
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