Experience reliable power with this HP 90W Adapter featuring a 4.5mm pin. Delivering 19.5V and 4.62A output, it's compatible with a wide range of HP models including Spectre, Envy Touchsmart Sleekbook, Elitebook, and Pavilion series. Compatible with various part numbers like 710414001 and H6Y88AA, this adapter ensures seamless functionality. Backed by a 1-year warranty from HP, it comes with a complimentary power cable from the seller for added convenience.