Coolgo New Laptop Battery for HP Pavilion dv6t-4000 dv6t-6000 dv7-4000 dv7-5000 dv7-6000 dv7t-5000 - 12 Months Warranty [li-ion 6-cell 5200mah] High-Quality 6 cells 10.8V 5200mAh black replacement for HP HSTNN-CBOX,HSTNN-DBOW, HSTNN-Q60C,HSTNN-Q61C,HSTNN-Q62C,HSTNN-178C,HSTNN-179C,HSTNN-181C, MU06,MU09,WD548AA,WD549AA,HSTNN-Q61C,HSTNN-Q62C,HSTNN-CBOW,HSTNN-IB0N,HSTNN-IB0X,HSTNN-IB1E,HSTNN-OB0X,HSTNN-OB0Y,HSTNN-YB0X,NBP6A174,NBP6A174B1,NBP6A175,NBP6A175B1,586028-341,586006-321,586006-361,593553-001,588178-141,586007-541,593550-001,593553-001,593554-001,593562-001,HSTNN-UB0W,HSTNN-UB1G,MU09XL,WD548AA,WD549AA Quality Certication: All the products pass the ISO9001, CE and ROHS, FCC multiple international authentication and completely accord with environmental protection requirement. Consummate Design: Excellent design makes the product not only has the overcharge, discharge and short circuit multiple protection, but also to balance charge-discharge of all the internal cells. Environmental Test: Standard modern assembly line. All products have passed a variety of charge-discharge and aging test before they leave the factory. 100% quality test for all items. Notice: Not work for HP MO06 MO09 HSTNN-DB73 HSTNN-IB72 and laptop models HP Pavilion dm4-2xxx DV3-1xxx, DV3-2xxx, DV3-3xxx DV5-1xxx DV6-1xxx, DV6-2xxx, DV6-4xxx, DV6-5xxx DV7-1xxx, DV7-2xxx, DV7-3xxx, DV7-5xxx Series and Compaq Presario CQ40 Series.