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
20V 8.5A 170W (7.9*5.5mm) 45N0113 AC Charger for Lenovo W520,W700,W701 – eBuy INDIA
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Lenovo 20V 8.5A ac adapter 8.0 x 6.7mm with Center Pin