The Champion Power Equipment 200988 4500-Watt Portable Inverter Generator is the perfect combination of versatility and convenience whether you need power for your home, RV or project. The convenient electric start includes a battery, plus Cold Start Technology ensures a quick start in cold weather. Connect your sensitive electronics with confidence since this inverter produces only Clean Power (˂ 3% THD). Designed for safety with a low oil shut-off sensor, this inverter has a 0.6-quart oil capacity (bottle of 10W-30 oil included). Operate your Dual-Fuel generator right out of the box on gasoline or propane, and easily switch fuels with a quick turn of the fuel selector dial. Using gasoline, the 212cc Champion engine produces 4500 starting watts and 3500 running watts, and will run for 14 hours at 25% load. It produces 4500 starting watts and 3150 running watts, and will run for 21 hours at 25% load when using a 20-pound propane tank. Champion’s Inverter Technology includes smart Economy Mode, which can reduce the electrical load, providing quieter operation, extended engine life and better fuel economy. Included are a 120V 30A RV (TT-30R), two 120V 20A household outlets (5-20R), a 12V DC automotive-style outlet with dual USB adapter, plus a propane hose with a built-in regulator. Operates at 61 dBA from 23 feet – about the same noise level as normal conversation. The optional Parallel Kit provides a quick clip-on connection which allows you to increase output by connecting up to two 3000-watt or higher inverters, and includes a standard 50-amp RV outlet with power to start and run two 15,000 BTU RV air conditioners. Fully assembled with foldaway handle for easy storage and built-in handles and never-flat tires for easy transport. Buy this EPA certified and CARB compliant inverter with confidence – Champion Support and our nationwide network of service centers will back up your purchase with a 3-year limited warranty and FREE lifetime technical support.