The Lenovo 45W Standard AC Adapter (USB Type-C) is a charger which offers fast, efficient charging at home, in the office, or on the go. This 45W charger is compatible with ThinkPad USB-C enabled laptops and tablets. It features Smart Voltage: technology which automatically detects and delivers 5V/2A, 9V/2A , 15V/3A or 20V/2.25A. Tested, reliable and backed by a one-year limited warranty