Voltage: 4500

That slow engine speed pays off big time in reduced fuel consumption as well as less noise, vibration, and engine wear. Up to 15.2 hours run time ant 1/4 rated load. The EF4500iSE features Noise Block sound reduction system which makes it a very quiet generator for its output. 58-60 decibels. 4500 watt maximum output, 4000 watt rated continuous output suitable for running most 15,000 BTU RV air conditioners and 1000 watt microwave oven, or two major RV appliances, simultaneously. Electric start makes starting effortless-turn the key to start and power appliances you want and you can add an optional wireless remote control for easier starting. Yamaha’s Oil Watch Warning System helps prevent engine damage from low oil and provides added peace of mind