The power adapter is quite compact and adapts thanks to the built-chip to the terminals on. It is equipped with 5 * 2.4A very efficient. This is necessary but not sufficient condition for "fast charging". Some devices expected on the data inputs certain (unfortunately not always the same) voltage level, others a short circuit between the data lines other an open connection. This device adjusts itself accordingly and remains quite cool even under load. The ability equal to 5 different terminals to load and to use only a power outlet, is very helpful on the desk or on the road in hotels with chronic outlet lack extremely welcome. The price was in my purchase with