This is the 3 Port – USB Car Charger – 4.1A This charger allows for three of your devices to be simultaneously charging while utilizing only one of your car's valuable DC power sockets. It provides high power in a lightweight package: 3.1 Amps of output while weighing at .8 of an ounce. The triple port interface uses your existing USB cables to let you plug in and get charged at high speeds, while its Input of DC 12-24V and an Output of DC 5V 3.1A Max. The 3 Port – USB Car Charger – 4.1A is the perfect solution for your “on the go” mobile charging needs. For more information on our products please contact our customer service department at 888 518 9505 For all your cable and connecter needs choose Show Me Cables.