Adjustable output voltage, 15/16/18/19V 4.5A MAX, 22/24V 3.5A MAX, OUTPUT 90W. -Please make sure that the polarity of DC connector plug connect correct, select output voltage to suit to laptop before use. -Auto DC Power Regulated Adaptor, 8 different size .Universal Laptop AC Power Adapter for the Most of Laptop Computers. Compatible with Acer, Apple, Compaq, Dell, Fujitsu, Gateway, HP, IBM, Sony, Toshiba. 9 different tips to suit the most of laptop computers. Also Compatible with following laptop: Advent, Alienware, Aopen, ASUS, Averatec, Canon, Clevo, Compal, DTK, E-Machines, Everex, Hitachi, Inca, Jetta, KDS, Lifetec, Medion, Mitac, MPC, Multimedia Notebook, NEC, Northgate, Notebook Computer, Panasonic, Prostar, Quantex, Sager, Samsung, Sceptre, Sharp, Texas Instruments, Twinhead, Uniwill, Winbook, Windrover.detachable plugs, Works with Most Notebook Computer.