Abstract: The invention broadly comprises a portable device for transferring fluids. The device includes an external housing with an inlet and a discharge and a pump disposed within the external housing. The pump includes a pump housing, a motor, and a pumping means. The motor and the pumping means are disposed within the pump housing and the pump comprises an inlet port and an outlet port cooperatively engaged with the inlet and the discharge, respectively. The device also includes a control switch connected to the pump and a power cord with a first end operatively connected to the switch and a second end comprising a power adapter. The power adapter can be a DC power source adapter or a line voltage adapter. In some aspects, the DC power source adapter is configured to connect to a power port adapter in an automotive vehicle.