Used, but tested working, Genuine IBM Lenovo AC Adapter Power Supply 170W 20V 8.5A for W520 W530

100% Compatible with P/N:

ADL170NDC3A,ADL170NLC2A,ADL170NLC3A,45N0370,45N0373,

45N0374,45N0375,45N0487,4X20E50574,36200321,PA-1171-71,

45N0558,45N0373,PA-1171-72

Specifications:

.Input:   110V~240V (Global Wide)

.Output: 20V 8.5A 170W

  3Ft  US Power Cord Included  (3 Prong)