Compatible Part #'s: 04Y2348, 0C44913, 04Y2426, 0C44991, 04Y2689, 0C45254, 04Y2652, 0C45217, 04Y2682, 0C45247, 04Y2719, 0C45284. Compatible Models: Lenovo ThinkPad Edge E531, E540, Lenovo ThinkPad L540, P50s, T540p, T550, T560, W540, W541, W550s.
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