GENMAX GM2200i
#6 in SmallFull review
A 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 $349.99$349.99
The GENMAX GM2200i is the better inverter generator overall, rated 3.5 to 2.9. The GENMAX GM2200i leads on value. The GENMAX GM2200i costs $949.01 less ($349.99 vs $1,299).
Honda EU2200i Companion
#13 in SmallFull review
For owners planning to pair two Honda 2200s for a 30A RV: buy one Companion and one standard EU2200i. On its own, the standard model is the better buy.
Amazon $1,299$1,299
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 GENMAX GM2200i for value ($0.19 per running watt vs $0.72 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 | GENMAX GM2200i | Honda EU2200i Companion |
|---|---|---|
| Overall rating | 3.5/5 | 2.9/5 |
| Value 30% | 100 $0.19 per running watt | 0 $0.72 per running watt |
| Quiet 20% | 29 58 dBA at light load, maker rating | 100 48 dBA at light load, maker rating |
| Run time 15% | 40 8 hours on a tank at 25% load | 41 8.1 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
| GENMAX GM2200i | Honda EU2200i Companion | |
|---|---|---|
| Output | ||
| Gasoline | 1,800 W running, 2,200 W starting | 1,800 W running, 2,200 W starting |
| Outlets | 2 × 120 V, USB | 1 × 120 V, L5-30 |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | - |
| Price per watt | $0.19 | $0.72 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline |
| Tank | 1.1 gal | 0.9 gal |
| Run time (gasoline) | 8 hr at 25% load | 8.1 hr at 25% load |
| Engine | 79.7 cc | 121 cc |
| Noise and safety | ||
| Rated noise (light load) | 58 dBA | 48 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Recoil (pull) | Recoil (pull) |
| App | No | Yes |
| Wheels | No | No |
| Dimensions | 18.9 x 11.4 x 17.3 in | 20.0 x 11.4 x 16.7 in |
| Weight | 41.9 lb | 47.4 lb |
| Warranty | 3 years | 3 years |