Star Power 20V,8.5A 170W Slim Tip AC Power Charger Adapter For Lenovo W540,W541,T440p 20AN 20AW,T540p 20BE 20BF,W540/i7-4900mq / 45n0372 ,4x20e50574 ,100% Compatible P/N:ADL170NLC2A 36200321 45N0560 45N0375 PA-1171-71 45N0370 45N0372 45N0734 45N0487 45N0514 ADL170NLC3A ADL170NDC3A ADL170NCC3A,Power Cord Included Max Ouput:20V,8.5A 170W 100% Fit for Lenovo Slim Tip High Qulity Replacement Products, 100% Compatible 1 Year Warranty US Standard Power Cord Included