Auto-switching voltage with overload and shortcircuit protection this regulated laptop power supply is compatible with most laptops on the market. The unit features a discrete LCD to show the operating voltage and a USB port for charging your phone or mp3 player. It's supplied with 11 different connectors, including the latest special Dell and HP connectors. Black piano finish for complete awesomeness. Suits most laptops up to 15 screen size. DC current rating : 4.74000000A DC Voltage : 15.00000000V, 16.00000000V, 19.00000000V Continuous Power : 90.00000000W Suitable For : Laptop Voltage Display : true Voltage Selection : Automatic via plug Number of plugs or sockets : 11.00000000pc Plugs to Suit : Hewlett Packard, Toshiba, Dell, Sony, Samsung Includes USB Charge Port : true USB Port Current : 2.10000000A Length : 126.00000000mm Width : 55.00000000mm Height : 31.00000000mm Mains Voltage Range : 100.00000000V, 240.00000000V Rated for AU Mains : true Rated for US Mains : true Auto-select mains voltage : false Mains lead included : true