Lenovo Ideapad 40 Watt AC adapter ADP-40MH BDAC Input : 100~240, works anywhere in the world# Input Voltage: 100V-240V 50/60hz# Output Voltage: 20V# Output Current: 2A (40W)# Connector: 5.5mm*2.5mmCompatible Models:LenovoIdeaPad U160, IdeaPad S10e 4187, IdeaPad S10-2 20027, IdeaPad S12, IdeaPad S10 20015, IdeaPad U150, IdeaPad S12 2959, IdeaPad S10 Series, IdeaPad S10-2, IdeaPad S10e 4068, IdeaPad U165, IdeaPad S10e Series, IdeaPad S10-2 2957, IdeaPad S12 20021, IdeaPad S10 4231, Ideapad u110, IdeaPad S12 Series, IdeaPad S10C