The A-iPower SUA12000 produces 12,000 starting watts with 9,000 running watts to power your tools at the construction site, camping ground, or home appliances. Its powerful 459 cc OHV 4 stroke engine with a low oil alert light and low oil automatic shutdown, helping keep your generator performing year after year. The large 7 gallon gasoline fuel tank provides average run time of 7 hours at 100% load and 9 hours at 50% load. Complete with Electric Start capability allowing you to quickly, easily, and conveniently start up your generator whenever you need it. In the event of an emergency, the SUA12000e generator is ideal to power all your major appliances like your air conditioner, refrigerator, and sump pump as well as lights or entertainment centers.