Champion 7000W Dual Fuel (100155) vs Champion 7500W with 50A Outlet (100813)
The Champion 7500W with 50A Outlet (100813) is the more powerful unit: 7,500 running watts against 7,000 — about 7% more capacity for the Champion 7500W with 50A Outlet (100813). The Champion 7000W Dual Fuel (100155) offers more fuel flexibility (gasoline, propane) where the Champion 7500W with 50A Outlet (100813) runs on gasoline.
| Champion 7000W Dual Fuel (100155) | Champion 7500W with 50A Outlet (100813) | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline, propane | gasoline |
| Running watts (gas / LP for standby) | 7000 W | 7500 W |
| Starting watts (gas) | 9000 W | 9375 W |
| Running watts (propane) | 6300 W | — |
| Starting watts (propane) | 8100 W | — |
| Noise level | — | 74 dBA |
| Runtime at 50% load (gas) | — | 8 h |
| Fuel tank | 6.1 gal | 5.7 gal |
| Output voltage | 120/240V | 120/240V |
| Transfer-switch-ready outlet | — | 50 A |
| Outlets | — | 4x GFCI 5-20R, L14-30R, 14-50R |
| Start type | electric | electric |
| Engine displacement | 439 cc | 420 cc |
| Weight | 202.4 lb | — |
| Warranty | — | 3 yr |
Frequently asked questions
Which is more powerful, the Champion 7000W Dual Fuel (100155) or the Champion 7500W with 50A Outlet (100813)?
The Champion 7500W with 50A Outlet (100813), at 7,500 running watts on its best fuel versus 7,000 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.
Where do these specifications come from?
Every record on BackupAtlas is hand-curated from manufacturer documentation and spec sheets, and each generator page links to its source document.