LB1 High Performance Battery for HP G71 349WM HP G71 358NR HP G71 441NR HP G71 442NR HP G71 445US 462890-542, KS526AA, HSTNN-Q34C, HSTNN-C51C, HSTNN-C53C, HSTNN-W48C, HSTNN-W49C, HSTNN-W50C, EV06055 Battery Type: Li-ion; Capacity: 4000mAh/44Wh; Cells: 6-cells; Voltage: 10.8V. Up to 500 times over life of battery. Premium Grade A cells ensures peak performance and reliability. Operation time depends on the capacity of the battery, laptop settings, power consumption of equipment, 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 | 12 Months Hassle-Free Warranty. Compatible with: HP G71 349WM HP G71 358NR HP G71 441NR HP G71 442NR HP G71 445US 462890-542, KS526AA, HSTNN-Q34C, HSTNN-C51C, HSTNN-C53C, HSTNN-W48C, HSTNN-W49C, HSTNN-W50C, EV06055