Champion 7500W with 50A Outlet (100813) vs DuroMax XP12000EH Dual Fuel
The DuroMax XP12000EH Dual Fuel is the more powerful unit: 9,500 running watts against 7,500 — about 21% more capacity for the DuroMax XP12000EH Dual Fuel. The DuroMax XP12000EH Dual Fuel offers more fuel flexibility (gasoline, propane) where the Champion 7500W with 50A Outlet (100813) runs on gasoline.
| Champion 7500W with 50A Outlet (100813) | DuroMax XP12000EH Dual Fuel | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline | gasoline, propane |
| Running watts (gas / LP for standby) | 7500 W | 9500 W |
| Starting watts (gas) | 9375 W | 12000 W |
| Running watts (propane) | — | 9025 W |
| Starting watts (propane) | — | 11400 W |
| Noise level | 74 dBA | — |
| Runtime at 50% load (gas) | 8 h | 8 h |
| Fuel tank | 5.7 gal | 8.3 gal |
| Output voltage | 120/240V | 120/240V |
| Transfer-switch-ready outlet | 50 A | 50 A |
| Outlets | 4x GFCI 5-20R, L14-30R, 14-50R | — |
| Start type | electric | electric |
| Engine displacement | 420 cc | 457 cc |
| Weight | — | 224 lb |
| Warranty | 3 yr | — |
Frequently asked questions
Which is more powerful, the Champion 7500W with 50A Outlet (100813) or the DuroMax XP12000EH Dual Fuel?
The DuroMax XP12000EH Dual Fuel, at 9,500 running watts on its best fuel versus 7,500 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.
Which costs less to run, the Champion 7500W with 50A Outlet (100813) or the DuroMax XP12000EH Dual Fuel?
Estimated fuel for 24 hours at about 50% load: $55 on gasoline for the Champion 7500W with 50A Outlet (100813) vs $80 on gasoline for the DuroMax XP12000EH Dual Fuel, at national average prices. These are spec-sheet-derived estimates — the assumptions are on the methodology page, and different fuels make this a cost comparison, not an efficiency ranking.
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.