HP 65W Laptop Charger A-HCQ-T12-O

HP Pavilion 15-b000 Sleekbook Ultrabook TouchSmart Laptop Notebook AC Adapter Charger Power Supply (4.8 / 1.7mm, Barrel PIN)
HP Pavillion Sleekbook 14 15 ENVY 4 6 series laptop adapter.

19.5V 3.33A 65W. Barrel PIN with diameters of 4.8mm x 1.7 mm.

***There is another type of HP adapter with 19.5V 3.33A output (4.5mm * 3.0mm BLUE with pin in central). They are NOT compatible with each other!!!