Buy 45N0560 - Lenovo 170-Watts 20V 8.5A AC Adapter
Amazon.com: Accessory USA 170W AC DC Adapter for Lenovo ThinkPad W530 24472SU W530 2438-2JU Laptop PC 20V 8.5A 170 Watts 20VDC Power Supply Cord : Electronics
New P50 P51 P70 170W Power AC Charger Replacement for Lenovo Thinkpad W540 W541 E440 E450 E555 S431,fit Legion 4X20E50574 ADL170NLC2A Laptop [20V 8.5A]
New Genuine Lenovo W520 W700 W701 170 Watt AC Adapter 45N0113 45N0114 - Notebookparts.com