As of September 2015, some top-rated portable generators are the Briggs & Stratton 30470, Champion Power Equipment 46539, Yamaha EF2000iS, Westinghouse WH7500E and DuroStar DS4000S. The Champion Power Equipment 46539 offers the best value, according to BestReviews.com.
The Champion Power Equipment 46539 portable generator weighs 140 pounds and features an electric remote control start. It offers a maximum output of 4,000 watts and has three different types of outlets, including a 120-volt duplex outlet, a 120-volt Twistlock outlet and a RV receptacle outlet. With a full tank of gas, this portable generator can run for 12 hours at 50 percent load.