The Hewlett-Packard (HP) C9279A AC adapter charger is compatible with HP laptops, providing a standard 65W power output with a voltage of 18.5V and an output current of 3.5A. The charger features a 1.7mm tip for connecting to the laptop for efficient charging. It is designed to meet the power needs of various HP laptop models, ensuring reliable and consistent performance during use. Ideal for replacing a lost or damaged charger, this HP AC adapter provides the necessary power supply for keeping your laptop charged and ready for use.