Already a Power Bank and am very happy, however, is the part in the size of a pocket calculator and a lot thicker and heavier than this chic car.
Have the blue racer first with a mobile phone charger (Micro USB) loaded. The charging time required so far 10 hours, as indicated. In about 5 hours it was full after this initial charging. This can be seen at the expiration of the running light below the rear window. - This is also a great feature ;-)) - chaser in red-blue-green-exchange.
If one wants to load his equipment, you put the charger cable into the USB port on the rear of the vehicle and pressing the button below the left tail light (from the top view of the back of view). I did not know that there is a button and had to scout out the first time. You can see that not fact. Made quite refined. - If a device is attached to load, the two taillights of the car remain flashing until the device is fully charged. - Now have a Windows Phone, an Android smartphone S3 and an iPhone loaded with it. Everything goes fast, the device does not heat up and it is gentle (the battery of the car was not empty by far. He was fully recharged in very short time).
This property is known to me by my other Power Bank. The equipment to be loaded are loaded much faster and gentler.
In any case, this is a great technique, looks great and you can at any time and independent of power supplies everywhere charge his device. Another advantage of this car compared to the heavy power bank is just the low weight and small dimensions. - Am I going to have from now on any time in my purse there.
And the price is very affordable. - I can only recommend buying.