Lenovo 0B46994 90w Slim Tip AC Adapter with 2 Prong Power Cord (Retail Package) Lenovo Slim Tip 90w AC Adapter (0B46994, Retail Packaged By Lenovo) Lenovo 0B46994 USA 90w Ac Adapter Includes 2 Prong Power Cord Lenovo part Number 0B46994 Is Compatible with : Edge E540 , Edge E440 , Edge E531 , Edge E431 , L540 , L440, S540 , S440, S531 , T540P (Dual Core) , T440 , T440P, T440S , T431S , X240 , X240S , X1 Carbon , Yoga (20C0 And 20CD) And Helix ( 3697, 3698 , 3700 , 3701, 3702) This Item Is Not Compatible With Lenovo Legacy Notebook Systems With The Round Barrel Type Power Plug Input Voltage: 100 V to 240 V; 50/60 Hz