Ryobi RYi4022X
#8 in Mid-sizeFull review
A simple open-frame inverter for RVs and outage backup with certified low-CO safety. Enclosed rivals are quieter for similar money.
Ryobi $889$889
The Ryobi RYi4022X and the Champion 4500W Wireless Start Inverter are evenly matched, rated 3.6 and 3.5. The Ryobi RYi4022X leads on run time. The Champion 4500W Wireless Start Inverter wins on starting. The Ryobi RYi4022X costs $11 less ($889 vs $900).
Champion 4500W Wireless Start Inverter
#10 in Mid-sizeFull review
A quiet mid-size gas inverter for RV owners who want to start it from inside the camper. Strong overnight run time on one tank.
Amazon $900$900
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 Ryobi RYi4022X for run time (15.8 hours on a tank at 25% load (scaled from 50%) vs 14 hours on a tank at 25% load).
- Choose the Champion 4500W Wireless Start Inverter for starting (electric start with a remote fob or app vs pull start only).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ryobi RYi4022X | Champion 4500W Wireless Start Inverter |
|---|---|---|
| Overall rating | 3.6/5 | 3.5/5 |
| Value 30% | 72 $0.26 per running watt | 73 $0.26 per running watt |
| Quiet 20% | 50 noise level not published (neutral score used) | 31 61 dBA at light load, maker rating |
| Run time 15% | 82 15.8 hours on a tank at 25% load (scaled from 50%) | 67 14 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 | 100 electric start with a remote fob or app |
Specifications
| Ryobi RYi4022X | Champion 4500W Wireless Start Inverter | |
|---|---|---|
| Output | ||
| Gasoline | 3,400 W running, 4,000 W starting | 3,500 W running, 4,500 W starting |
| Outlets | 4 × 120 V, TT-30 (RV) | 2 × 120 V, TT-30 (RV) |
| Parallel capable | - | Yes |
| Total harmonic distortion | - | under 3% |
| Price per watt | $0.26 | $0.26 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline |
| Tank | 3.2 gal | 2.2 gal |
| Run time (gasoline) | 12 hr at 50% load | 14 hr at 25% load |
| Engine | 212 cc | 212 cc |
| Noise and safety | ||
| Rated noise (light load) | - | 61 dBA |
| CO shutoff | Yes | Yes |
| Build | ||
| Starting | Recoil (pull) | Remote, electric and recoil |
| App | - | No |
| Wheels | Yes | Yes |
| Dimensions | - | 23.2 x 17.7 x 20.1 in |
| Weight | 85 lb | 100.6 lb |
| Warranty | 3 years | 3 years |