Champion 7500W Dual Fuel (100891) vs DuroMax XP13000HX Dual Fuel with CO Alert
The DuroMax XP13000HX Dual Fuel with CO Alert is the more powerful unit: 10,500 running watts against 7,500 — about 29% more capacity for the DuroMax XP13000HX Dual Fuel with CO Alert. The Champion 7500W Dual Fuel (100891) runs longer at half load — 10 hours on its 7.7-gallon tank vs 8.5 hours.
| Champion 7500W Dual Fuel (100891) | DuroMax XP13000HX Dual Fuel with CO Alert | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline, propane | gasoline, propane |
| Running watts (gas / LP for standby) | 7500 W | 10500 W |
| Starting watts (gas) | 9375 W | 13000 W |
| Running watts (propane) | 6750 W | — |
| Starting watts (propane) | 8400 W | — |
| Noise level | — | 74 dBA |
| Runtime at 50% load (gas) | 10 h | 8.5 h |
| Fuel tank | 7.7 gal | 8.3 gal |
| Output voltage | 120/240V | 120/240V |
| Start type | electric | electric |
| CO safety shutoff | — | Yes |
| Engine displacement | 439 cc | 500 cc |
| Weight | 205 lb | 240 lb |
| Warranty | 3 yr | — |
Frequently asked questions
Which is more powerful, the Champion 7500W Dual Fuel (100891) or the DuroMax XP13000HX Dual Fuel with CO Alert?
The DuroMax XP13000HX Dual Fuel with CO Alert, at 10,500 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 Dual Fuel (100891) or the DuroMax XP13000HX Dual Fuel with CO Alert?
Estimated fuel for 24 hours at about 50% load: $59 on gasoline for the Champion 7500W Dual Fuel (100891) vs $75 on gasoline for the DuroMax XP13000HX Dual Fuel with CO Alert, 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.