LB1 High Performance Battery for HP Pavilion DV7-6161SF / DV7-6163EF / DV7-6163SF / DV7-6163US fits HSTNN-Q47C Battery Type: Li-ion; Capacity: 4000mAh/44Wh; Cells: 6-cell; Voltage: 11.1V 100% Brand New from Manufacturer. Rechargeable Up to 500 times over life of battery. Premium Grade A cells ensures peak performance and reliability. Operation time depends on the power consumption of equipment, configuration and how you use it. CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability. Live Support Mon-Fri 4am-8pm PST | Sat-Sun 8am-5pm PST | 18 Months Hassle-Free Warranty.