TekPower TP50SW 50 Amp 13.8V Analog DC Power Supply with Cigarette Plug
It has a main DC output on the back of the unit and a cigar socket on the front. It has many safety protection such as overload protection and short circuit protection. Fuse: 110V, 15A. Output: DC 13.8V, 9-15V adjustable, 50A(Max).