HP 40W 19V 2.1A replacement AC adapter for Select HP Notebook Model (WE449AA#ABA) Input: AC 100 - 240V ~ 1.5A / 50 - 60Hz Output: 19VDC 2.1A 40W Max Compatible P/N: PA-1400-18HL, WE449AA#ABA, 622435-005, 624502-001