_AC Input:100-240V (Worldwide usage)
_Compatible with 18~20V input laptops
_High efficiency > 88%, power standby < 0.1W
_Thickness of 25.4mm is half thinner than regular adapter
_Compatible with most popular brands of notebooks
_Complete circuit protections: Over Circuit Protection(OCP), Over Voltage Protection(OVP),Short Circuit Protection(SCP), Over Temperature Protection(OTP)
_Multiple safety approval
Standard notebook adapter with changeable output tips allowing it to be used with major brands including IBM, Dell, Acer, Compaq, Sony Toshiba, HP, Asus, and Lenovo.