This is a replacement DC jack charging port connector socket designed for various HP Elitebook models, including the 725, 745, 820, 845, 840, and 850 series across different generations. It is compatible with models such as the G3, G4, G5, and G6, as well as the X360 1030 G2. The part is suitable for replacing a damaged or faulty charging port, ensuring proper power connection to your device. It is intended for users comfortable with laptop repairs and replacement procedures. Proper installation is recommended to ensure correct functionality.