Twin 2.4A USB ports 2 x faster than standard 1amp charger 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 2.4 x 2