New Genuine Lenovo ThinkPad 90 Watt 20V 4.5A AC Adapter Charger With Cord 45N0237 Go to amazon.com Related posts Top 10 best 20v 4.5a adapter for 2022 DescriptionNew Genuine Lenovo ThinkPad 90 Watt 20V 4.5A AC Adapter Charger With Cord 45N0237