Generac, 8500W, XT8500EFI portable generator boasts electric start capabilities, consistently smooth power and enhanced protection from the elements to ensure reliable power is available when and where it's needed most. Also equipped with COsense Technology that STOPS, ALERTS, SAVES. Providing powerful protection against hazardous carbon monoxide. 459cc EFI engine delivers the right amount of power to get the best performance and efficiency out of your engine. TruePower technology provides clean, smooth operation of sensitive electronics, tools and appliances. Low-oil shutdown automatically safeguards engine from damage. Large-capacity fuel tank with incorporated fuel gauge provided durability and extended run times. Electric start provides easy and reliable start-up. Battery included; self-charging while in use. Covered outlets provide added protection from the environment and rugged working conditions. 10" solid wheels . Fold-down locking handle allows for easy storage