Tired of waiting hours to charge your mobile. Most, off the street chargers have a maximum charge output of 500mA – so what does this mean to you? The smaller the output the longer it will take to charge. What they don’t tell you is that you need a minimum of 2.1A to charge you iPad using a Car charger or a wall charger. The VCOM USB 2-Port Car Charger has a total output of 3.1A – This clever design provides you with 2.1A on the top USB port and 1A on the bottom USB port, now you can charge your iPad and mobile phone at the same time without compromising on the power output.
Refer to above PDF Data sheet