Anker« New Laptop Battery for HP Pavilion DV4 5000 DV6 7000 DV6T 7000 DV6Z 7000 DV6 8000 DV7 7000 M4 1000 M6 1000 M7 1000 series, fits P/N MO09 MO06 671731 001 TPN W109 (Fits Listed Models and Part Numbers only) 18 Months Warranty [Li ion 6 cell 4400mAh/