With the mobile phone charging station with 6600mAh V7 Post your mobile devices from now on the road charging. Many times, I had toyed with the idea, zuzulegen a mobile charger, because I am with a dead battery on the road very often, or my iPhone 5s battery discharges too quickly. This is especially pretty annoying when I can find no outlet for miles around. For this reason, the product test came just at the right, because really I could not yet for mobile charger decide. The selection is just too big. The handling of V7 Power Bank is very simple. First, we have enhanced the Power Bank. This took about 7 hours. That the Power Bank is fully charged, can be seen on the LED display with four green lights. The Power Bank can now be used to charge other devices via the battery performance of the Power Bank. To this end, the charging cable of the mobile terminal must be connected to the Power Bank. Charging starts - once the connection is -automatically. The supplied cable is a USB Micro-B plug. The four lights give then information on the remaining battery power and charging status. The Power Bank charges the device in a jiffy, it seemed even faster than during normal charging me. The Power Bank has been sufficient for about 4 full loads. According to the manufacturer the charger protects devices against overvoltage, overcurrent and short circuit. We tested the device with an iPad, iPhone 4, iPhone 5s and a Sony Z1 during an outing. For all devices, the loading station has been operating without any problems. Conclusion The Power Bank is high-quality and also looks modern. Because of its handy format and the rounded edges, the Power Bank is very good in the hand and fits into any pocket or purse. We were happy with the product and can it to you friend confidently. The only thing we missed on the product, is an on / off switch. When the Power Bank is not connected to a device that can not be detected, how full the battery power bank is still. An on / off switch would be very convenient. We have also been pleased with a storage bag.