5-15V universal power supply with regulated output voltage; protected against short circuit; included are different output connectors which can be connected to the output cable with the desired polarity; electronic switch mode power supply for world wide use (100-240V AC); selectable output voltages by a rotary switch: 5V / 6V / 7.5V / 9V / 12V / 13.5V / 15V DC; maximum output current: 2250mA at 5-12V, 1800mA at 13.5-15V; maximum output power: 27W;