The TekPower TP50SW is a professional DC power supply for powering many devices such as Ham/CB radio and amplifiers. It is a highly stable, fused, high quality analog switching power supply with 13.8V fixed, 9-15V adjustable DC power output, and 50A max current. It has a main DC output on the back of the unit and a cigar socket on the front. It has excellent line and load regulation, low ripple and noise designed for communication equipment uses. It has many safety protection such as overload protection and short circuit protection. It comes with basic 1 Year USA warranty.