Bob’s Quick Take: The DuroMax XP13000EH is a large dual fuel portable generator built for serious backup power, RV support, jobsite-style use, and storm-prep peace of mind. It gives practical buyers the flexibility of gasoline or propane, plus enough output for bigger power needs when used correctly. The big caution: this is a heavy, loud, fuel-burning generator that requires outdoor-only operation, safe setup, proper ventilation, and the right cords or transfer equipment.