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Amazon.com: 20V 4.5A 90W Charger 00PC758 Compatible for Lenovo Thinkpad T440 T440S L440 E470 X250 T560 T550 E560 E540 L560 L540 E450 N20P X240 X260 Edge E440 E460 E431 Essential G700 G710
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Amazon.com: 20V 8.5A 170W Power AC Charger Replacement for Lenovo Thinkpad E440 E450 E540 E550 E555 W540 W541 W550s P50 P51 P70 T431s T440 T440p T440s T450 T450s Yoga 15 4X20E50574 ADL170NLC3A
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