Lenovo Thinkpad 170w slim tip ac adapter for select Thinkpad notebooks - Walmart.com
20V 8.5A 170W 7.9x5.5mm 45N0113 45N0115 45N0349 AC Adapter For Lenovo ThinkPad W520 W530 Laptop Charger Power Supply - Newegg.com
Lenovo 20V 8.5A 170W USB type yellow with 1 pin Original AC Power Adapter or Charger for Lenovo ThinkPad T440p, T540p, W540 Series laptop ADL170NLC2A 42T5290 42T5291 - WIT Computers