Lenovo 0B47008 - ThinkPad 90W AC Adapter (slim tip)
Usmart® NEW AC Adapter Laptop Charger for Lenovo U31-70 - 80M5007BUS, U31-70 - 80M5007CUS Laptop PC Notebook Ultrabook Battery Power Supply Cord - Walmart.com
Lenovo U31-70 (80M5/80M6) original ac-adapter 45 Watt - sparepartworld.com
20V 6.75A 135W Power supply adapter for Lenovo U31 U41 B4320G B4330G IdeaPad 500 500S 300 series laptop charger - AliExpress
20V 6.75A 135W Power supply adapter for Lenovo U31 U41 B4320G B4330G IdeaPad 500 500S 300 series laptop charger - AliExpress
Laptop AC Power Adapter Charger for Lenovo U31-70 80M5 80M6 | eBay