Powersmart 4500W portable gas-powered inverter generator is excellent for emergency home power . construction site power . camping power . and more! This generator offers a 224cc . four-stroke OHV single-cylinder engine and forced air cooling system. It can run for 7 hours at half load. This model features more power . a more rugged and durable body design . and a recoil start. Safety features include an automatic voltage regulator . low oil shutoff . and a backup pull-start recoil system. This generator has 2* AC outlets (120V) . 2* USB-A ports(5V) . and 1* DC car port(12V); this portable inverter generator is specially designed for charging laptops . mini-coolers . drones . and other outdoor electronics. Besides . the parallel enables this inverter generator to connect with another to double your output power??EPA-approved emissions. Please read and follow the manual instructions before operating the generator. We are committed to providing you with a 2-year warranty and premium customer service.