The Lenovo ADL45WCC 45W AC Laptop Charger is a black charger designed for Lenovo laptops. It has an output voltage of 20V and an output current of 2.25A. It is compatible with various Lenovo models such as IdeaPad 710s, 510s, 510, 310, and more, as well as Yoga 710 and 510 series, and Flex 4 laptops.