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 3.2. The GENMAX GM2200i leads on value. The Ryobi RYi2322 wins on run time. The GENMAX GM2200i costs $349.01 less ($349.99 vs $699).
Ryobi RYi2322
#9 in SmallFull review
A small camping inverter for buyers who want an app and certified low-CO safety. Rivals give more running watts for less money.
Ryobi $699$699
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 $0.39 per running watt).
- Choose the Ryobi RYi2322 for run time (10 hours on a tank at 25% load vs 8 hours on a tank at 25% load).
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 | Ryobi RYi2322 |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Value 30% | 100 $0.19 per running watt | 53 $0.39 per running watt |
| Quiet 20% | 29 58 dBA at light load, maker rating | 50 noise level not published (neutral score used) |
| Run time 15% | 40 8 hours on a tank at 25% load | 60 10 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 | Ryobi RYi2322 | |
|---|---|---|
| Output | ||
| Gasoline | 1,800 W running, 2,200 W starting | 1,800 W running, 2,300 W starting |
| Outlets | 2 × 120 V, USB | 2 × 120 V, USB |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | - |
| Price per watt | $0.19 | $0.39 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline |
| Tank | 1.1 gal | 1.2 gal |
| Run time (gasoline) | 8 hr at 25% load | 10 hr at 25% load |
| Engine | 79.7 cc | - |
| Noise and safety | ||
| Rated noise (light load) | 58 dBA | - |
| CO shutoff | Yes | Yes |
| CARB compliant | No | - |
| Build | ||
| Starting | Recoil (pull) | Recoil (pull) |
| App | No | Yes |
| Wheels | No | Yes |
| Dimensions | 18.9 x 11.4 x 17.3 in | - |
| Weight | 41.9 lb | 52 lb |
| Warranty | 3 years | 3 years |