“USB-C charging? If yes, takes only Lenovo proprietary chargers or any generic will do?”

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• The Lenovo C640-13 laptop, model number 81UE000WUS, uses a 45W barrel-type AC adapter/charger. You can use a 3rd. party replacement AC adapter that is compatible with the C640-13.

  Answered by Lenovo Product Expert 5 years ago

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