The LPV-20-5 is a power supply unit made by Mean Well. It is a 5V, 20A linear switching power supply, which is often used in many electronic applications. It is a high efficiency power supply and has a low no-load power wastage. The unit has short circuit, overload, and over-voltage protection, and its input surge current is up to 40A. It has an adjustable output voltage of 4.75-5.5V, and the input voltage is AC 110 & 220V. The unit features a no-load power draw of less than 0.1w and a working temperature range of -40° to +60°C. It has a built-in cooling fan and a universal AC input voltage range. Its dimensions are 135 x 98 x 38mm.