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: HP21 Manufacturer: Green Cell Size: 209x53x21mm Weight: 300g Compatibility list: Compatible with following battery models : Compatible with following devices : HP Compaq 6510b,HP Compaq 6515b,HP Compaq nc6230,HP Compaq nc6320,HP Compaq nx6310,HP Compaq nx6315,HP Compaq nx6320,HP Compaq nx6325,HP Compaq nx6330,HP Compaq 6710b,HP Compaq 6715b,HP Compaq 6910p,HP Compaq nc6400,HP Compaq 6100,HP Compaq 6200,HP Compaq 6300,HP Compaq 6300s,HP Compaq 6305,HP Compaq 6305s,HP Compaq nc6100,HP Compaq nc6105,HP Compaq nc6110,HP Compaq nc6115,HP Compaq nc6120,HP Compaq nc6140,HP Compaq nc6200,HP Compaq nc6220,HP Compaq nc6300,HP Compaq nx5100,HP Compaq nx6100,HP Compaq nx6105,HP Compaq nx6110,HP Compaq nx6115,HP Compaq nx6120,HP Compaq nx6125,HP Compaq nx6130,HP Compaq nx6140,HP Compaq nx6215,HP Compaq nx6300,HP Compaq nx6313,HP Compaq nx6363