Champion 4500W Wireless Start Inverter
#9 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
The Champion 4500W Wireless Start Inverter and the Champion 5500W Dual Fuel Open Frame CARB are evenly matched, rated 3.5 and 3.5. The Champion 4500W Wireless Start Inverter leads on starting and run time. The Champion 5500W Dual Fuel Open Frame CARB wins on fuel options and value. The Champion 5500W Dual Fuel Open Frame CARB costs $101 less ($799 vs $900).
Champion 5500W Dual Fuel Open Frame CARB
#10 in Mid-sizeFull review
A dual-fuel open-frame inverter for California RV owners and campers who want clean power and propane on a budget. Too loud for quiet campgrounds.
Tractor Supply $799$799
Prices were last checked October 28, 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 Wireless Start Inverter for starting (electric start with a remote fob or app vs pull start only) and run time (14 hours on a tank at 25% load vs 13 hours on a tank at 25% load).
- Choose the Champion 5500W Dual Fuel Open Frame CARB for fuel options (gasoline or propane vs gasoline only) and value ($0.20 per running watt vs $0.26 per running watt).
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 Wireless Start Inverter | Champion 5500W Dual Fuel Open Frame CARB |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Value 30% | 73 $0.26 per running watt | 88 $0.20 per running watt |
| Quiet 20% | 31 61 dBA at light load, maker rating | 0 70 dBA at light load, maker rating |
| Run time 15% | 67 14 hours on a tank at 25% load | 58 13 hours on a tank at 25% load |
| Fuel options 10% | 0 gasoline only | 70 gasoline or propane |
| 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% | 100 electric start with a remote fob or app | 0 pull start only |
Specifications
| Champion 4500W Wireless Start Inverter | Champion 5500W Dual Fuel Open Frame CARB | |
|---|---|---|
| Output | ||
| Gasoline | 3,500 W running, 4,500 W starting | 4,000 W running, 5,500 W starting |
| Propane | - | 3,600 W running, 5,500 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 | $0.26 | $0.20 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline, propane |
| Tank | 2.2 gal | 2.9 gal |
| Run time (gasoline) | 14 hr at 25% load | 13 hr at 25% load |
| Run time (propane, 20 lb tank) | - | 16 hr |
| Engine | 212 cc | 224 cc |
| Noise and safety | ||
| Rated noise (light load) | 61 dBA | 70 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | Yes |
| Build | ||
| Starting | Remote, electric and recoil | Recoil (pull) |
| App | No | No |
| Wheels | Yes | No |
| Dimensions | 23.2 x 17.7 x 20.1 in | 21.3 x 17.9 x 17.9 in |
| Weight | 100.6 lb | 84.7 lb |
| Warranty | 3 years | 3 years |
| Released | 2024-08 | 2025-12 |