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Amazon.com: AC Adapter 90W 20V 4.5A Laptop Charger for Lenovo ThinkPad X1 Carbon T440 E431 G410 45N0237 45N0236 45N0239 344428U ThinkPad T431s Z510 PA-1900-081 0B46994 0B46995 Yoga 11s Flex 14 15D Power
Lenovo ThinkPad 90W AC Adapter (Slim Tip) - power adapter - 90 Watt - 0B46994 - Laptop Chargers & Adapters - CDW.com
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