KONKIN BOO Compatible 170W AC / DC Adapter Replacement for Lenovo ThinkPad W520,W530 W520/428443G W520/4276001 W520/427623U W520/4276004 W530/N1K2EUK W530/N1K44GE W520 427637U - Walmart.com
Original Ac Dc Adapter 20V 8.5A 170W Laptop Charger for Lenovo thinkPad W500 W510 W520 W530 45N0113 45N0114 Power Supply - AliExpress
20V 8.5A 170W Barrel 7.9/5.5mm With Pin, 2 Prong 45N0113, 45N0115, 45N0117 "Brand New" Lenovo ThinkPad W520 Series AC Adapter - NEW Original. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation