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Champion 5500-Watt Dual Fuel Inverter vs WEN 56455i

Champion 5500-Watt Dual Fuel Inverter

4000 W running · dual-fuel

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WEN 56455i

3500 W running · gasoline

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What is the difference?

The Champion 5500-Watt Dual Fuel Inverter has 4 kW of running power, 5.5 kW peak. The WEN 56455i has 3.5 kW of running power, 4.5 kW peak.

The Champion 5500-Watt Dual Fuel Inverter is dual-fuel, the WEN 56455i runs on gasoline.

The Champion 5500-Watt Dual Fuel Inverter has a 2.9 gal tank, the WEN 56455i has a 2.2 gal tank.

The Champion 5500-Watt Dual Fuel Inverter is rated at 70 dB, the WEN 56455i is rated at 57 dB. The WEN 56455i is quieter.

The Champion 5500-Watt Dual Fuel Inverter has a 3-year warranty, the WEN 56455i 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 56455i
Running W	4000	3500
Peak W	5500	4500
Fuel	dual-fuel	gasoline
Tank (gal)	2.9	2.2
Run time @50 % (h)	—	8.5
Noise (dB)	70	57
CO shutoff	yes	—
Weight (lb)	85	—
Warranty (yr)	3	2
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-26. 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 56455i?

The Champion 5500-Watt Dual Fuel Inverter. More running watts: 4000 W vs 3500 W.

Which is quieter, Champion 5500-Watt Dual Fuel Inverter or WEN 56455i?

The WEN 56455i. Quieter: 57 dB vs 70 dB.

Which has the longer warranty, Champion 5500-Watt Dual Fuel Inverter or WEN 56455i?

The Champion 5500-Watt Dual Fuel Inverter. Longer warranty: 3 years vs 2 years.

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