The Green Power Generator GPD1500 runs on a fuel tank that holds up to 1.3 gallons of gasoline. It's made of high-quality and durable materials that help resist physical damage and wear with time. This 1,500W gasoline generator has a maximum run time of 7 hours at half its possible load. For a smooth and silent operation, the generator has a 68 dB operating noise and a manual recoil start method.