The Powermate 4,500-watt Portable Generator is an easy-to-start unit that runs on a Generac 224cc engine. This generator can squeeze 14 running hours on half load and a whopping 19-hour runtime at ...

Our best overall pick is the Westinghouse 4,500-watt inverter generator. It's able to run up to 18 hours on a 3.4-gallon tank with dual fuel technology. With its low oil shutdown, fuel is ...