Transferring liquid out of a gas can be a pain! Safely use this portable TERA PUMP TREP01-TXL Battery Powered Liquid Transfer Pump to transfer or empty tanks, barrels, drums, carboys and IBCs. Our Liquid Transfer Pump is an affordable battery powered transfer pump designed for quick and easy emptying of gas cans of various sizes. This pump eliminates the lifting of large, heavy, gas cans and spilling wasted fuel.