- The Lenovo 65W Standard AC Adapter (USB Type-C) offers fast and efficient charging at home, in the office, or on the go. This 65W 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.