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
The Westinghouse iGen2550c is the better inverter generator overall, rated 3.8 to 3.7. The Westinghouse iGen2550c costs $39.25 less ($479 vs $518.25).
Champion 2500W Ultralight Inverter
#4 in SmallFull review
A light, quiet gas inverter for camping, tailgating and running a fridge and lights in an outage. Pick the dual-fuel 2500W instead if you want propane.
Amazon $518.25$518.25
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.
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 | Westinghouse iGen2550c | Champion 2500W Ultralight Inverter |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Value 30% | 87 $0.25 per running watt | 80 $0.28 per running watt |
| Quiet 20% | 71 52 dBA at light load, maker rating | 64 53 dBA at light load, maker rating |
| Run time 15% | 70 11 hours on a tank at 25% load | 75 11.5 hours on a tank at 25% load |
| Fuel options 10% | 0 gasoline only | 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
| Westinghouse iGen2550c | Champion 2500W Ultralight Inverter | |
|---|---|---|
| Output | ||
| Gasoline | 1,900 W running, 2,550 W starting | 1,850 W running, 2,500 W starting |
| Outlets | 2 × 120 V, TT-30 (RV), USB | 2 × 120 V |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | under 3% |
| Price per watt | $0.25 | $0.28 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline |
| Tank | 1.1 gal | 1.1 gal |
| Run time (gasoline) | 11 hr at 25% load | 11.5 hr at 25% load |
| Engine | 80 cc | 80 cc |
| Noise and safety | ||
| Rated noise (light load) | 52 dBA | 53 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | - |
| Build | ||
| Starting | Recoil (pull) | Recoil (pull) |
| App | No | No |
| Wheels | No | No |
| Dimensions | 18.5 x 11 x 18 in | 17.6 x 12.6 x 18.1 in |
| Weight | 40 lb | 39.7 lb |
| Warranty | 3 years | 3 years |