Compatible P/N: ED494AA#ABA,391172-001,384019-003,PA-1650-02HC,384019-001,384021-001,391173-001,384020-001,384020-003,409992-001,ED495AA, PPP014L-SA,384019-002,384020-002,PPP009L,ED494AA,PPP009H,384019-003 Compatible models: HP Compaq Business Notebook NC Series: nc6400,nc2400,nc4400,nc6320,NC6400 HP Compaq Business Notebook NW Series: nw8440,nw9440 HP Compaq Business Notebook NX Series: nx6310,nx6315,nx6320,nx6325,nx7300,nx7400,nx8420,nx9420 HP Compaq Notebook PC: Mini-2133,2533t Mobile Thin Client,510,530,2230s,2510p,2710p,6510b,6515b,6530b,6535b,6710b,6715b,6720t Mobile Thin Client,6730b,6730s,6735b,6735s,6830s,6910p HP Mobile Workstation Series: 8510p,8510w,8710p,8710w HP Compaq Presario Series: A900,CQ40,CQ45,CQ50,CQ50-100,B1210 HP EliteBook Notebook PC Series: 2530p,2730p,6930p,8530p,8530w Mobile Workstation HP Pavilion DV4-1000 Series: DV4-1000,DV4T-1000,DV4Z-1000 CTO HP Pavilion DV5-1000 Series: DV5-1120,DV5-1120US,DV5-1124,DV5-1124CA,DV5t,DV5z Not all compatible models are listed.