6-cell 511872-001 Replacement Laptop Battery for HP Notebook Series, HP Pavilion DV4, DV5, DV6 Notebook Series and Compaq Presario CQ40, CQ41, CQ45, CQ50, CQ60, CQ61, CQ70, CQ71 Notebook Series. Battery type: Li-ion; Capacity: 56Wh; Cells:6-cell; Voltage: 10.8V;Capacity:5200mah Compatible Models: For HP 485041-001 485041-003 487296-001 487354-001 497694-001 497694-002 498482-001 513775-001 HSTNN-IB72 HSTNN-IB73 HSTNN-LB72 HSTNN-LB73 HSTNN-UB72 HSTNN-UB73 HSTNN-XB72 HSTNN-XB73 KS524AAFit for 498482-001 513775-001 516915-001 EV06055 HSTNN-CB72 HSTNN-CB73 HSTNN-DB72 HSTNN-DB73 replacement notebook laptop battery batteries High quality grade "A" cells. Charges quickly. Longer discharge time. Steady output and low power consumption. More than 500 times charge-discharge cycles.All products are Certified by CE ROHS UL1642 FCC for safety. Operation time for standard batteries(6-cell 5200mah): Around 2 hours the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support 12-month service. 12-months hassle-free warranty service. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.