About this item Not suitable for gaming laptops or high-performance devices with power demands exceeding 65W, Not suitable for 90W, 100W, 120W, 180W, 230W, 280W. Top Safety Standard: This item has passed strict safety tests, meaning its components and quality meet the national gold standard for electricity product safety. Fit for Vivobook 15 16 17 14, Flip 15 14 12, S14 S15 S13, Go 12 14 15, Fit for Zenbook, Chromebook, Transformer, Fit for EeeBook, ImagineBook, ExpertBook Series with Round Connector. Not Fit for USB-C, 6.0*3.7mm, 7.4*5.0mm[It won't charge your device if it needs power over 65W]. Power & Connector: 65W Max. Also Compatible with 45W 33W. Dimensions: 5.35 x 4.61 x 1.85 inches.