The NISSEI NS-1230D Switching Power Supply is a compact and efficient power supply with a continuous output of 13.8V and a maximum output of 25A. It features dual output Power-Pole sockets on the rear panel and heavy-duty binding posts on the front panel. The power supply offers short circuit and over-voltage protection, ensuring the safety of your devices. It has precision regulation of output voltage and a low peak-peak ripple of less than 0.3%, providing stable and clean power. The power supply is housed in a heavy-duty metal cabinet with powder coating, making it durable and long-lasting. It also features an LED backlight for easy visibility. The input voltage is switchable between AC 110V and 220V with a tolerance of +/- 10%. The input frequency ranges from 47 to 63 Hz. The polarity is grounded negative. The output voltage is adjustable from DC 4V to 16V, with a fixed output of DC 13.8V. The power supply has a continuous output of 25A and a surge capacity of 30A. It has a low ripple and noise level of less than 100mv. The dimensions of the power supply are 154 x 127 x 63 mm, and it weighs 1.35 kg.