Puredick High Performance Laptop Battery for HP G32 G42 G42T G56 G62 G72 G4 G6 G6T G7; HP Presario CQ32 CQ42 CQ43 CQ430 CQ56 CQ62 CQ72; Envy 17; HP Pavilion DM4 DV3-4000 DV5-2000 DV6-3000 DV6-6000 DV7-4000 DV7-6000 Series; Fits MU06 593553-001 593554-001 MU09 WD548AA WD549AA WD548AA#ABB HSTNN-LB0W 636631-001 593550-001 -12 Months Warranty[Li-ion 6-cell 10.8V 5200mAh/58Wh] (MU09) Battery Type: Li-ion || Voltage: 11.1V || Capacity: 7800mAh/86Wh|| Color: Black||Cells: 9-cell 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. CE-/FCC-/RoHS certificated for safety,12 months warranty,professional technical support, efficient and always satisfied customer service 24 x 7 email support. Operation time:Same Battery life with Brand new original HP battery.In reality, this will depend on the amount of electricity required by the device and how you use it