Lifan Energy Storm ESI 2000i, 2000 Running Watts/2200 Starting Watts, Gas Powered Portable Inverter 2200 Watts maximum AC output/2000 Watts rated AC output 125cc 4-stroke OHV gas powered engine Power sensitive electronic equipment, Safe Clean Power with 2% total harmonic distortion; ultra quiet - 60 decibels at 23 feet .92 gallon fuel tank runs 7 hrs at 50% load, auto throttle feature - power on demand Receptacles 2 each-120V 20amp AC, auto Idle - power on demand