HP MU09 (WD549AA) Long Life 9-Cell Notebook Battery for Pavilion dm4, dv7, dv6, dv5, dv3; HP: G42, G62, G72, ENVY 17; Compaq Presario: CQ32, CQ42, CQ62, CQ72 Fits HP Pavilion: dv3-4000, dm4-1000, dv5-2000, dv6-3000, dv7-4000; HP: G42, G62, G7, Envy 17-1000; Compaq Presario: CQ32, CQ42, CQ62 9 Cell Lithium-Ion, Capacity: 7800mAh Genuine MU09, WD549AA, 636631-001 Genuine MU09, WD549AA, 636631-001 Genuine MU09, WD549AA, 636631-001