Adjustable Voltage Converter,Honbay&reg; Universal Notebook Laptop DC CAR Charger Power Adapter 100%Brand New and High Quality Perfect for in-car use for your notebook/laptop, no more running out of batteries Simply connect your laptop to your cigarette lighter socket using this power adaptor and you are all set Selectable output voltage(15V, 16V, 18V, 19V, 20V, 22V, 24V) and 8 types of laptop connectors Which suits for most different laptops such as Acer, Dell, Compaq, IBM, NEC, Sony, Fujitsu, Gateway, HP, Sharp, Toshiba and etc.