2 x dual USB ports (2 x USB: 2.4A shared, 2 x USB: 2.4A each) Charges devices from front and back seat simultaneously Advanced Ai Power IC for high efficiency charging while protecting your connected device Approximately 40% battery charge in 30 minutes LED power indicator Suitable for most USB devices including smart phones, tablets, iPhone & iPad Plugs into car cigarette lighter socket Input - DC 12V - 24V - Output - DC 5V 9.6A