AC Adapter Charger For Lenovo ThinkPad W520 W530 20V 8.5A 170W 0A36227 57Y6549,57Y6547,57Y6556,41A9734,41A9732,ADP-120L - AliExpress
Amazon.com: 20V 6.75A 135W AC Adapter Charger Laptop Power Supply for Lenovo ThinkPad T530 T520 W530 W520 W510 3PIN 45N0059 45N0055 : Electronics
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