The Tera Pump is world's first battery powered fuel transfer pump with auto-stop and overflow protection. Eliminates the lifting of large, heavy, gas cans and spilling wasted fuel. Our exclusive design makes transferring fuel to cars, trucks, off road vehicles, boats, mowers and more, painless and hassle free. The built-in advanced auto-stop feature automatically stops when the tank is full. 3 included adapters allow the pump to fit 98% of North American fuel cans and 4 AA batteries (not included) pump up to 2.4 GPM for a quick and easy transfer. Compatible with: Gas, E85 diesel, & kerosene. Auto stops when tank is full. Securely attaches to fuel can. Includes 3 fuel can adapters to fit all major fuel can brands. For 2 to 6 gallon plastic fuel cans. Power Source: 4 AA batteries (Not Included). Intake Hose: 18 In. Discharge Hose: 35 In. Flow Rate: 2.4 Gal. per minute.