Today only, until 11 am ET, Factory Authorized Outlet via eBay offers the DuroMax 4,500-watt 7-Horsepower Portable Gas-Powered Generator, model no. MX4500, for $299.99 with free shipping. That's $70 under our mention from last summer and the lowest total price we could find by $150. It produces a 4,500-watt surge and 3,500-watt continuous power and features a pull starter, 4-gallon gas tank, two 3-prong standard household outlets, one 120/240-volt 30-amp twist lock, and one 12-volt utility connection for charging a battery or operating other 12-volt devices.