The DuroMax XP2300iH is the better inverter generator overall, rated 3.9 to 3.5. The DuroMax XP2300iH leads on run time and fuel options. The GENMAX GM2200i wins on value. The GENMAX GM2200i costs $299.01 less ($349.99 vs $649).
A small dual-fuel inverter for campers and RV owners who want propane flexibility, long runtime and CO shutoff in one quiet package. It costs more than lookalikes but includes wheels, a 30 A outlet and a parallel cable.
DuroMax $649A budget carry-handle inverter for camping and light outage duty that still includes CO shutoff and a three-year warranty. Good value if you only need gasoline.
Amazon $349.99Prices 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.
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 | DuroMax XP2300iH | GENMAX GM2200i |
|---|---|---|
| Overall rating | 3.9/5 | 3.5/5 |
| Value 30% | 60 $0.36 per running watt | 100 $0.19 per running watt |
| Quiet 20% | 71 52 dBA at light load, maker rating | 29 58 dBA at light load, maker rating |
| Run time 15% | 90 13 hours on a tank at 25% load | 40 8 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 |
| DuroMax XP2300iH | GENMAX GM2200i | |
|---|---|---|
| Output | ||
| Gasoline | 1,800 W running, 2,300 W starting | 1,800 W running, 2,200 W starting |
| Propane | 1,700 W running, 2,150 W starting | - |
| Outlets | 2 × 120 V, L5-30, USB | 2 × 120 V, USB |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | under 3% |
| Price per watt | $0.36 | $0.19 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 1.1 gal | 1.1 gal |
| Run time (gasoline) | 13 hr at 25% load | 8 hr at 25% load |
| Engine | 80 cc | 79.7 cc |
| Noise and safety | ||
| Rated noise (light load) | 52 dBA | 58 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Recoil (pull) | Recoil (pull) |
| App | No | No |
| Wheels | Yes | No |
| Dimensions | 22 x 14 x 20 in | 18.9 x 11.4 x 17.3 in |
| Weight | 50.6 lb | 41.9 lb |
| Warranty | 3 years | 3 years |
