ADLX90NCT3A - 90W 20V 4.5A Slim Yellow Square Tip AC Adapter for IdeaPad ThinkPad Yoga X1 Carbon Sale $39.00 Retail $59.00
45N0321 - 65W 20V 3.25A Slim Yellow Square Tip AC Adapter For IdeaPad ThinkPad Yoga Sale $39.00 Retail $59.99