The QJE PS30SWV switching power supply provides 13.8 VDC at 25 Amps continuous, 30 Amps surge. The output voltage is adjustable from 9 to 15 VDC. It features a front panel lighter plug for low current (10A) accessories. There are also red and black snap terminals on the front panel for very low power accessories (3A). Red and black terminals (30A), and a quiet fan on are the rear panel. The digital panel meter can simultaneously display voltage and current. There is a Noise Off-Set Control that can be adjusted to eliminate pulse noise from the power supply. It has short-circuit protection, over-current protection and over-temperature protection, plus a user replaceable fuse (8A). Output voltage regulation is less than 2% variance. Input is 230 VAC. 7.5 x 2.75 x 7.2 inches 5.1 lbs. (190x69x181mm 2.3 kg.).