Lifan Energy Storm ES8000E 8000 Watt Lifan 15 HP 420cc 4-Stroke OHV Gas Powered Portable Generator with Electric Start and Wheel Kit with Never-Flat Foam Filled Tires 8000 Watts maximum AC output/7500 Watts rated AC output 15hp Lifan industrial grade OHV gas engine - 100% copper wound alternator (See details in attached pictures); Battery not included 6.5 gallon fuel tank , 12 hour run time at 50% load Maximum AC Amperage 62 at 120 Volts Receptacles 4 each- 120V 20amp, 1 each-120/240 30amp AC, 1 each- 120V 8.3amp DC, AVR for stable voltage output (See details in attached pictures)