LED power supply unit for lighting with selectable DC output voltages including 5 V, 12 V, 15 V, 18 V, 24 V, 30 V, 36 V and 48 V, and output current range from 1 A to 60 A. Input accepts 110 V–220 V AC. Metal construction, ROHS/CE/CCC certified and backed by a two-year warranty.