The HP 19.5V 2.31A 45W AC Laptop Power Adapter is a high-quality and reliable power source for a variety of HP laptops. With a voltage of 19.5V and an output current of 2.31A, it is compatible with models from the HP Pavilion, Star Wars Stream, EliteBook, and ProBook series, as well as the HP Envy and ChromeBook. The sleek black design and AC/Standard type make it a versatile and efficient option for keeping your laptop powered up and ready for use. Ideal for both home and on-the-go use, this HP power adapter is a must-have accessory for any laptop owner.