HP Pavilion Sleekbook Ultrabook SpectreXT Pro Envy Series 65W 19.5V 3.33A 4.8mm 3-Prong Tip Replacement AC Power Adapter.Model Number: 65WCompatible Part Numbers: 050819-00Compatible Models: HP Pavilion Sleekbook 14-b000 ENVY Pro Ultrabook 4 ENVPR4 i5-3317U SpectreXT Pro i5-3317U i5-3337U i5-3567U i7-3537U ENVY 4 6 Series ENVY Sleekbook 4 6 SeriesSpecifications:Watts: 65WInput: 100-240V ~ 1.6A 50-60HzOutput: 19.5V - 3.33AConnector: 1.7mm (center) 4.8mm (outside), no center pin connector