Do you ever run down of your battery when you are travelling? Then this is the right thing you need, its the iGO Green Portable + Wall charger, which means that you don't have to carry 2 different chargers.All you have to do is charge your iGO and put the USB cable into the iGO and the other side into the smartphone, tablet or you ipod and you are ready to go. This thing charges in 4 hours. you can see the