Lenovo 45w 20v ~ 2.25a (4.0 x 1.7mm). Lenovo part number: 5A10H43621 5A10H43621, ADP-45DWD. Power Output: 45w 20v ~ 2.25a. We will respond to you within 24 hours and do our best to help you out! All of our products are original unless otherwise stated and carry free extended warranty.
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