45W 20V 2.25A 1.7mm Tip AC Adapter for Lenovo Yoga IdeaPad 100 110 510 710
Amazon.com: AC Charger for Lenovo Ideapad 100S 100S-14IBR 100S-14IBY Model 80R9 80R90004US 80R9005JUS 80R9005KUS 80R90073US ADP-45DW B (only fit for 20V 2.25A 45W) Laptop + Power Cord : Electronics
Lenovo IdeaPad 5 14IIL05-MT 81YH 20V 45W Laptop Power Adapter/Charger