The ThinkPad Tablet charger, power adapter for ThinkPad 1838-22U 10.1" 16GB ,Lenovo ThinkPad Tablet 2 10.1" 64GB Win 8 Pro Tablet BY VSTC INPUT:100 - 240V ~ 50/60Hz Output: DC 5V 2A Output plug: Micro USB Quality Certification: UL, FCC, CE 1.5 m long output wire, unique antimagnetic circle design.