Champion 6500W Tri Fuel Inverter
#4 in LargeFull review
A mid-size home-backup inverter for people with a natural gas line or a transfer switch who want unattended starting. It also covers a 30 A RV.
Amazon $1,299$1,299
The Champion 6500W Tri Fuel Inverter rates 4.0 among large inverter generators; the Champion 4500W Wireless Start Inverter rates 3.5 among mid-size ones. The Champion 4500W Wireless Start Inverter costs $399 less ($900 vs $1,299).
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.
Scores side by side
These two sit in different size classes (large and mid-size), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Champion 6500W Tri Fuel Inverter | Champion 4500W Wireless Start Inverter |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Value 30% | 66 $0.25 per running watt | 73 $0.26 per running watt |
| Quiet 20% | 50 64 dBA at light load, maker rating | 31 61 dBA at light load, maker rating |
| Run time 15% | 86 18 hours on a tank at 25% load | 67 14 hours on a tank at 25% load |
| Fuel options 10% | 100 gasoline, propane or natural gas | 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% | 100 electric start with a remote fob or app | 100 electric start with a remote fob or app |
Specifications
| Champion 6500W Tri Fuel Inverter | Champion 4500W Wireless Start Inverter | |
|---|---|---|
| Output | ||
| Gasoline | 5,250 W running, 6,500 W starting | 3,500 W running, 4,500 W starting |
| Propane | 4,725 W running, 6,500 W starting | - |
| Natural gas | 4,253 W running | - |
| Outlets | 4 × 120 V, TT-30 (RV), L14-30 | 2 × 120 V, TT-30 (RV) |
| Parallel capable | No | Yes |
| Total harmonic distortion | under 3% | under 3% |
| Price per watt | $0.25 | $0.26 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline |
| Tank | 4.5 gal | 2.2 gal |
| Run time (gasoline) | 18 hr at 25% load | 14 hr at 25% load |
| Run time (propane, 20 lb tank) | 16 hr | - |
| Engine | 224 cc | 212 cc |
| Noise and safety | ||
| Rated noise (light load) | 64 dBA | 61 dBA |
| CO shutoff | Yes | Yes |
| Build | ||
| Starting | Remote, electric and recoil | Remote, electric and recoil |
| App | No | No |
| Wheels | Yes | Yes |
| Dimensions | 25.2 x 20.5 x 22.6 in | 23.2 x 17.7 x 20.1 in |
| Weight | 123.5 lb | 100.6 lb |
| Warranty | 3 years | 3 years |