A quiet dual-fuel inverter for 30 A RVs and outage backup of a fridge, freezer and a few circuits. Propane lets you store it ready to run.
Amazon $988.62The Champion 4500W Dual Fuel Inverter is the better inverter generator overall, rated 3.7 to 3.5. The Champion 4500W Dual Fuel Inverter leads on fuel options. The Champion 4500W Wireless Start Inverter wins on starting. The Champion 4500W Wireless Start Inverter costs $88.62 less ($900 vs $988.62).
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 $900Prices 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 Champion 4500W Dual Fuel Inverter for fuel options (gasoline or propane vs gasoline only).
- Choose the Champion 4500W Wireless Start Inverter for starting (electric start with a remote fob or app vs push-button electric start).
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 | Champion 4500W Dual Fuel Inverter | Champion 4500W Wireless Start Inverter |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Value 30% | 67 $0.28 per running watt | 73 $0.26 per running watt |
| Quiet 20% | 31 61 dBA at light load, maker rating | 31 61 dBA at light load, maker rating |
| Run time 15% | 67 14 hours on a tank at 25% load | 67 14 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% | 80 push-button electric start | 100 electric start with a remote fob or app |
Specifications
| Champion 4500W Dual Fuel Inverter | Champion 4500W Wireless Start Inverter | |
|---|---|---|
| Output | ||
| Gasoline | 3,500 W running, 4,500 W starting | 3,500 W running, 4,500 W starting |
| Propane | 3,150 W running, 4,500 W starting | - |
| Outlets | 2 × 120 V, TT-30 (RV) | 2 × 120 V, TT-30 (RV) |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | under 3% |
| Price per watt | $0.28 | $0.26 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 2.2 gal | 2.2 gal |
| Run time (gasoline) | 14 hr at 25% load | 14 hr at 25% load |
| Run time (propane, 20 lb tank) | 21 hr | - |
| Engine | 212 cc | 212 cc |
| Noise and safety | ||
| Rated noise (light load) | 61 dBA | 61 dBA |
| CO shutoff | Yes | Yes |
| Build | ||
| Starting | Electric and recoil | Remote, electric and recoil |
| App | No | No |
| Wheels | Yes | Yes |
| Dimensions | 23.2 x 17.7 x 20.1 in | 23.2 x 17.7 x 20.1 in |
| Weight | 99.2 lb | 100.6 lb |
| Warranty | 3 years | 3 years |
