The Champion Power Equipment 73536i gasoline powered, portable inverter generator is powered by an 80cc Champion single cylinder, 4-stroke OHV engine that produces 2000 max watts. With a 1 gal. fuel tank this unit can run up to 9.5 hours at 25% load. Our OHV engine is equipped with a low oil shut-off sensor and designed for long life and easy maintenance. This unit also contains true sine wave inverter technology making it safe to power all of you sensitive electronic devices. This unit is ideal for camping trips, hunting, traveling, tailgating, and light jobs around the house. CARB approved for all 50 states.