The HP AC Adapter, model HSTNN-LA09, is designed for Compaq and HP notebook products. It operates with an input voltage range of 100-240V at 50-60Hz, providing an output of 20V at 3.25A. Additionally, it offers specific outputs at lower voltages: 15V, 12V, 9V, and 5V, each at 3A.
The HP Part Number is
Please note that this adapter is for indoor use only and must be connected to a grounded outlet.