This Lenovo 45W standard AC adapter (USB Type-C) power adapter offers fast, efficient charging at home, in the office, or on the go. This power adapter is compatible with ThinkPad USB-C enabled notebooks and tablets. Smart voltage: Its PD technology automatically detects and delivers 5V/2A, 9V/2A, 15V/3A, or 20V/2.25A. Tested and reliable: tested, reliable, and backed by a one-year limited warranty.