The HP 710413-001 L31819-013 90W AC Adapter Charger is a genuine OEM product designed specifically for HP laptops. With a voltage of 19.5V and an output current of 4.62A, it is compatible with various HP models such as EliteBook and Chromebook. The black power adapter is a reliable and efficient option for charging your HP laptop with a blue tip connector. Made in China, this unit is a one-piece package that ensures quality and compatibility with your device.