Sportsman Gasoline 4000W Portable Generator

This 4,000W portable generator is versatile and efficient. With a 3.6 gal fuel capacity, it can run for up to 10 hours on a 50 percent load. It only requires unleaded gasoline for power. It has a built-in low oil detection system for added safety and an AVR automatic voltage regulator for convenience. The price drops from $519.85 to $299. Shipping is free.