1‎.‎ This Model Is An Universal Switching‎-mode Power Supply For Laptop‎,‎ Operation At Input Ac100v To 265v 47‎-63hz‎.‎ Output‎:‎ Usb Port‎:‎ 5v 2a Max‎.‎ Dc 7 Voltages‎:‎ 15v/16v/18v/19v/20v/22v/24v‎,‎ Output Power 90 Watt Max‎,‎ With Protection Functions‎:‎ Overload Protection‎,‎ Short Circuit Protection‎.‎ 2‎.‎ Power Supply By Mains Supply‎.‎ With 8pcs Tip Connecter To Suit To Almost Laptops‎,‎ Select Output Voltage To Suit To Laptop And Lcd Monitor Make Sure The Polarity Of Tips Connect Correct Before Use‎.‎ 3‎.‎ Rated Input Voltage‎(‎50‎-60hz‎)‎‎:‎ Ac120v To Ac230v‎,‎ Vibration Input Voltage Range‎(‎47‎-63hz‎)‎‎:‎ Ac100v‎-265v 4‎.‎ Input Rated Current‎:‎ 1.5amp‎,‎ Input Power‎:‎ 120w5‎.‎ Output Power‎(‎max‎)‎‎:‎90w‎,‎ Efficiency‎:‎ >80%‎(‎typ‎)‎ 6‎.‎ Output Voltage‎:‎ 15v/16v/18v/19v/20v/22v/24v‎(‎0‎-+0.9v No Load‎)‎‎,‎ Output Current‎:‎ 12v/15v/16v/18v/[email protected] Max 20/[email protected] Max‎,‎ Usb Port‎:‎ 5v‎,‎ Dc15v‎-24v‎,‎ Usb Port‎:‎ 5v 2a 7‎.‎ Overload Protection‎:‎ Yes 8‎.‎ Short Circuit Protection‎:‎ Yes 9‎.‎ Line Regulation‎:‎ +/‎-5% 10‎.‎ Load Regulation‎:‎ +/‎-5% 11‎.‎ Size‎:‎ 134mm X 58mm X 32mm