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
Original AC adapter FOR Lenovo Ideapad 100S 710S 310 MIIX510 Air12/13 D330 330S-13/14 120S 320 PA-1450-55LN 20V 2.25A Charger - AliExpress
Original OEM AC Power Adapter Charger for Lenovo Ideapad 100-14IBY, 100-15IBD | eBay