Replacement HP DR911A#ABA / HSTNN-DA03 AC Adapter for HP Pavilion ZD8000 Series Laptops Input: 100--240V, 50-60Hz (worldwide use) Output: 19V 9.5A ( oval tip ) 180W Replacement Laptop AC Adapter for HP 344500-001, 366165-001, 374427-002, 374743-001, 375117-001, 394902-001, DC688A, DR911A, DR911A#ABA, HSTNN-DA03, PA-1181-08H