Photo 1 of New 170W AC Adapter for Lenovo ThinkPad W540 W550s E440 E450 E555 S431 T540p X240 X250 Yoga 15 36200321 45N0487 45N0374 45N0375 4X20E50574 36200321 20V 8.5A Laptop Power Supply Adapter Cord

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Photo 1 of New 170W AC Adapter for Lenovo ThinkPad W540 W550s E440 E450 E555 S431 T540p X240 X250 Yoga 15 36200321 45N0487 45N0374 45N0375 4X20E50574 36200321 20V 8.5A Laptop Power Supply Adapter Cord Photo 2 of New 170W AC Adapter for Lenovo ThinkPad W540 W550s E440 E450 E555 S431 T540p X240 X250 Yoga 15 36200321 45N0487 45N0374 45N0375 4X20E50574 36200321 20V 8.5A Laptop Power Supply Adapter Cord