S9Q 12V Universal Vehicle Charger In Car Laptop DC Fast Power Charging Adapter For HP IBM Dell Acer Toshiba Compaq Car DC power regulated adapter for laptop notebook . ^ Works with most notebook computers. Input: DC 11-14 volts . ^ Output: DC 15/16/18/19/20V 4A max, DC 22/24V 3.3A 80W max.&lt; S9Q 12V Universal Vehicle Charger In Car Laptop DC Fast Power Charging Adapter For HP IBM Dell Acer Toshiba Compaq