Battery typeLi-ion. Voltage: 11.4V. Capacity: 48Wh 4212mAh. Compatible Part NumberCD03XL HSTNN-LB8F HSTNN-IB8B HSTNN-UB7K 931702-421 CD03 CD03048XL CDO3XL 931702-171 931702-541 931719-850 HSN-114C-4 HSN-114C-5 HSN-115C. Replacement For LaptopHP ProBook 640 645 650 G4 ProBook 640 650 G5 ProBook 650 G7 Series Notebook. ConnectorBefore placing your order,Please refer to the picture and check it.Because the products produced by different factories will have differences, such as size, cable length, interface, etc. Use SkillsIf the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected.Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.