Genuine High Quality compatible model power adapter. For example if it says 20v 2.25a than you need 45w (20x2.25=45W). Low watts adapter will also work but might get overheated. LenovoIdeaPad Yoga 720 730 730s s730 720-13 730-13 730s-13 s730-13 720-13IKB730-131KB 730-13IKB 730S-13IWL 730S-13IML S730-13IWL S730-13IML, Yoga 910910-13 910-13IKB 910-131KB 720-13IKB C630-13 C630-13Q50.
