Description: Capacity: 4400 mAh Voltage: 14.4V (14.8V) Number of cells: 8 Cells technology: Li-Ion Warranty: 12 months Cells manufacturer: Green Cell Type: Li-lon Colour: Black Overdischarge protection: Yes Overcharge protection: Yes Product code: HP41 Manufacturer: Green Cell Compatibility list: Compatible with following battery models : 633734-141,633734-151,633734-421,633807-001,HSTNN-I98C,HSTNN-I98C-7,HSTNN-IB25,HSTNN-IB2S,HSTNN-LB2S,PR08,PR08073,PRO8,QK647AA,QK647UT Compatible with following devices : HP ProBook 4730,HP ProBook 4730s,HP ProBook 4740s,HP ProBook 4740