The Genuine HP 90W AC Adapter Model PPP012D-S P/N 677777-002 is a high-quality power supply unit designed specifically for HP laptops. With a voltage of 19.5V and an output current of 4.62A, this AC adapter is compatible with various HP models and is easy to identify by its black colour and OEM branding. The adapter also includes a USB-C port, making it versatile for different devices. Made by HP, this AC adapter ensures reliable and efficient power delivery for your computer.