Battery, AC Adapter Lenovo ThinkPad 72W AC Adapter - Power adapter - 72 Watt (499294) - Battery, AC Adapter, Manufacturer: Lenovo, PN: 499294, UPC: 5019170544073, Enjoy food whenever you want and where you want it adapters with a Lenovo. Keep one on your desk, another at home and save your batteries for the road.