Eliminates the lifting of large, heavy, gas cans and spills of wasted fuel. Tera Pump Battery Powered Fuel Transfer Pump 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 transfer process is complete so you just sit back and watch it work. XL version includes extended an extended intake hose to fit larger utility jugs and an extended discharge hose to reach hard-to-fill locations. 4 included adapters allow the pump to fit 98% of North American fuel cans and racing/utility jugs and 4 AA batteries (not included) pump up to 2.4 GPM for a quick and easy transfer.