The Yamaha EF2000iS Portable Generator is lightweight, quiet and powerful. You can charge all of your batteries to extend your boondocking adventures, and produce back-up power at home for emergencies and blackouts. EF2000iS will power most RV appliances with ease while delivering a maximum power output with minimum effort. It’s so quiet that you can even have a conversation near one and may not realize it is running, because Yamaha uses its most technologically sophisticated muffler to produce quiet and clean power. This portable generator will give you more for your money all in a small easy to carry package that is durable and long lasting. Along with a visible fuel gauge and a gasoline petcock the EF2000iS is packed with a variety of features like an Oil Watch Warning System, Auto-decompression, TwinTech capability, Auto warm-up and a Noise Block sound reduction system. An OHV engine with cast iron cylinder liner’s power this generator making it more efficient, reliable and powerful while providing long life with excellent heat dissipation. This portable generator is great to take along on your next trip wether its across country, the race track or the family picnic the Yamaha EF2000iS will out perform and meet all of your expectations while providing you clean, useable power.