20V 4.5A 90W Car AC Adapter Charger For Lenovo ThinkPad S431 S440 S531 T431s T44

Lenovo ThinkPad S431 S440 S531 T431s T44 Notebook. DC Output: 20V, 2.0A-4.5A, compatible with 40W-90W(MAX), USB 5.1V 2.1A. AC Input: 11 ~ 15VDC Max 10A. Connector size: Slim tip,with central pin inside.

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