Champion 2500W Dual Fuel Inverter
#1 in SmallFull review
A small, quiet dual-fuel inverter for campers and light outage backup who want the option of propane.
Amazon $575$575
The Champion 2500W Dual Fuel Inverter and the Westinghouse iGen2550c are evenly matched, rated 3.9 and 3.8. The Champion 2500W Dual Fuel Inverter leads on fuel options. The Westinghouse iGen2550c wins on value. The Westinghouse iGen2550c costs $96 less ($479 vs $575).
Westinghouse iGen2550c
#3 in SmallFull review
A light, quiet camping and tailgating generator with an RV outlet and CO shutoff. Good for running a fridge, lights and electronics in an outage.
Amazon $479$479
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Champion 2500W Dual Fuel Inverter for fuel options (gasoline or propane vs gasoline only).
- Choose the Westinghouse iGen2550c for value ($0.25 per running watt vs $0.31 per running watt).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Champion 2500W Dual Fuel Inverter | Westinghouse iGen2550c |
|---|---|---|
| Overall rating | 3.9/5 | 3.8/5 |
| Value 30% | 72 $0.31 per running watt | 87 $0.25 per running watt |
| Quiet 20% | 64 53 dBA at light load, maker rating | 71 52 dBA at light load, maker rating |
| Run time 15% | 75 11.5 hours on a tank at 25% load | 70 11 hours on a tank at 25% load |
| Fuel options 10% | 70 gasoline or propane | 0 gasoline only |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 50 3-year warranty | 50 3-year warranty |
| Starting 5% | 0 pull start only | 0 pull start only |
Specifications
| Champion 2500W Dual Fuel Inverter | Westinghouse iGen2550c | |
|---|---|---|
| Output | ||
| Gasoline | 1,850 W running, 2,500 W starting | 1,900 W running, 2,550 W starting |
| Propane | 1,665 W running, 2,500 W starting | - |
| Outlets | 2 × 120 V | 2 × 120 V, TT-30 (RV), USB |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | under 3% |
| Price per watt | $0.31 | $0.25 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 1.1 gal | 1.1 gal |
| Run time (gasoline) | 11.5 hr at 25% load | 11 hr at 25% load |
| Run time (propane, 20 lb tank) | 25 hr | - |
| Engine | 80 cc | 80 cc |
| Noise and safety | ||
| Rated noise (light load) | 53 dBA | 52 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | - | No |
| Build | ||
| Starting | Recoil (pull) | Recoil (pull) |
| App | No | No |
| Wheels | No | No |
| Dimensions | 17.6 x 12.8 x 18.1 in | 18.5 x 11 x 18 in |
| Weight | 43.2 lb | 40 lb |
| Warranty | 3 years | 3 years |