We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. See our disclaimerThe Lenovo 45W AC Adapter offers fast and efficient charging. Keep a spare one in the office, home, or in your carrying case. Lenovo AC adapters/chargers are compact, energy efficient and backed by a 1 year warranty.Compatible with various Yoga and IdeaPad notebooks; Offers fast and efficient charging; Keep a spare one in the office, home, or in your carrying case.