30% size reduction compared to ThinkPad Standard 170W AC adapter. The ThinkPad 170W Slim AC adapter is the new adapter with a slim and small design. Compatible with: Lenovo ThinkPad W540 W550s E440 E450 E555 L450 S431 S440 S531 S540 T540p X240 X250 Ideapad Y720-15IKB; Fit for P/N: ADL170NLC2A 45N0372 45N0734 45N0487 45N0514 ADL170NLC3A ADL170NDC3A ADL170NCC3A SK90B200850.
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