UpBright NEW Global AC/DC Adapter For Lenovo ThinkPad Tablet 10.1" 1838 1839 Wi-Fi Power Supply Cord Cable PS Wall Home Charger Mains PSU World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty.