Green Cell Battery HSTNN-IB51 for HP 550 610 HP Compaq 6720s 6820s

"Description: Capacity: 4400 mAh Voltage: 10.8V (11.1V) Number of cells: 6 Cells technology: Li-Ion Warranty: 12 months Cells manufacturer: Green Cell Colour: Black Overdischarge protection: Yes Overcharge protection: Yes Product code: HP08 Manufacturer: Green Cell Size: 267x61x21mm Weight: 320g Compatibility list: Compatible with following battery models : 451085-121,451085-141,451085-142,451085-361,451085-621,451085-661,451086-001,451086-121,451086-122,451086-141,451086-142,451086-161,451086-162,451086-322,451086-361,451086-362,451086-421,451086-621,451086-661,451568-001,456664-001,456864-001,456865-001,464119-142,464119-143,464119-162,464119-361,464119-362,464119-363,484787-001,490306-001,491278-001,491279-001,491654-001,491657-001,496897-001,500764-001,500765-001,501870-001,572187-001,572188-001,572190-001,572191-001,DD06,DD08,DD08063,GJ655AA,HSTNN-139C,HSTNN-154C,HSTNN-FB51,HSTNN-FB52,HSTNN-I39C,HSTNN-I40C,HSTNN-I48C,HSTNN-I48C-A,HSTNN-I48C-B,HSTNN-I49C,HSTNN-I50C,HSTNN-I50C-B,HSTNN-I54C,HSTNN-I64C,HSTNN-I64C-5,HSTNN-I65C,HSTNN-I65C-5,HSTNN-IB51,HSTNN-IB52,HSTNN-IB55,HSTNN-IB62,HSTNN-L54C,HSTNN-LB51,HSTNN-LB52,HSTNN-OB51,HSTNN-OB52,HSTNN-OB62,HSTNN-XB51,HSTNN-XB52,HSTNN-XB62,KH386AV,KU532AA,KU532AAR,NA823ES,NBP6A96,NBP8A97 Compatible with following devices : HP 550,HP Compaq 610,HP Compaq 615,HP Compaq 6720S,HP Compaq 6730S,HP Compaq 6735S,HP Compaq 6700s,HP Compaq 6720,HP Compaq 6800,HP Compaq 6800s,HP Compaq 6820,HP Compaq 6820s,HP Compaq 6830,HP Compaq 6830s,HP Compaq 6835s,Compaq 600,Compaq 610,Compaq 615,Compaq 6730s,Compaq 6735s,Compaq 6830s,HP 610,HP 615,HP Compaq 550"