1.Input: DC 11-16V 2.Output voltage: 16v/18v/19v/20v 3.Output current:16v/18v/19v/20v 5A max 4.Power: 100W 5.DC tip: (a) 6 x 1 (b) 6.3 x 3.0 (c) 5.5 x 2.1 (d) 5.5 x 2.5 (e) 5.5 x 1.7 (f) 4.8 x 1.7 (g) 4.0 x 1.7 (h) 3.5 x 1.75 with 8pcs DC tip ,and it can fit for the notebook of ACER; AMS Tech; AVERATEC; COMPAQ; FUJITSU; GETEWAY; HP; IBM; NEC; PANASONIC; SHARP; SONY; SOTEC; TOSHIBA; Winbook; Hitachi; ASUS; ETC.