Charger ultra convenient, 4 USB ports available, 2 output 2.4 A and 1.2 A 2, This leaves a good margin of power ,. Immediately received immediately used simultaneously charge two tablets and an ipod, the load is normally even see fairly quickly, the charger does not warm or low, given the number of connected device. In the end it is a question of a very good opportunity to load charger with 4 devices simultaneously, all quickly and on a single socket (Ideal for camping where catches are rare, for example) I highly recommend it ....