Specifications:

• model 12: Laptop Battery 451086-121
• Model Number: laptop battery for HP Compaq 6720 6720s 6730s 6735s 6800 6820 6820S 68
• model 3: Laptop Battery 6730s
• model 11: Laptop Battery GJ655AA
• model 21: HSTNN-LB51HSTNN-IB51 battery
• model 8: Laptop Battery 6830s
• model 7: Laptop Battery 6820S
• model 24: 451086-121 battery
• model 16: 6735s battery
• model 15: 6730s battery
• model 13: 6720 battery
• Brand Name: HSW
• Battery Voltage: 11.1V/10.8V
• model 6: Laptop Battery 6820
• Package: Yes
• model 22: HSTNN-IB52 battery
• model 1: Laptop Battery 6720
• model 10: Laptop Battery HSTNN-IB52
• model 4: Laptop Battery 6735s
• Compatible Brand: HP
• model 18: 6820 battery
• Battery real charge capacity: 4200-4800mAh
• model 23: GJ655AA battery
• model 17: 6800 battery
• model 9: Laptop Battery HSTNN-LB51HSTNN-IB51
• Battery Cells: 6 Cells
• model 14: 6720s battery
• model 2: Laptop Battery 6720s
• model 20: 6830s battery
• Type: Li-Ion
• Battery Label capacity: 5200mAh/4400mah
• model 5: Laptop Battery 6800
• model 19: 6820S battery