Laptop Battery for HP Compaq 6520 6520s 6520p 6820s Hstnn-

Battery Type: Li-ion
Voltage: 10.8V
Capacity: 4400mAh
Color: Black
Cells: 6 cells

Compartible part numbers:
HSTNN-dB51, HSTNN-OB51, NBP6A73, ...

Company: Guan Mar Technology Co., Ltd.