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20V AC Adapter Charger for Lenovo ThinkPad X1 Carbon X1 Yoga 1st Gen T Series T470 T470S T460 T450 T440 T570 Laptop Power Supply - AliExpress
Amazon.com: 65W USB C AC Charger Fit for ThinkPad P51S P52S TP25 T570 T580 T580P T590 ADLX65YDC3A ADLX65YCC3A ADLX65YLC3A Type C Laptop Power Supply Adapter Cord : Electronics
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AC Adapter Power Charger for Lenovo ThinkPad T570 T431s Laptop Square Tip | eBay