Lenovo Laptop Charger 45W 20V Power Supply AC Adapter for Lenovo IdeaPad 3 5 100 110S 120S 310 310S 320 320S 330 330S 510 510S 520 710 330S-15IKB 330S-14IKB 320-14IKB 320-15IKB S340 S130 S145 C340