Very good, but annoying whistling ...

The Quick Charge Kit is a better alternative to the play-and-charge kit for me. First charging takes only between one and two hours, and secondly, the console must not remain switched on when the battery in the controller is not yet fully charged. A battery is already there. Unfortunately tarnishes the appearance a high frequency whistle, once the kit is supplied with power. Either here very cheap electrical components have been used or you have simply forgotten the power supply design to protect it against vibrations. I charge the battery now in the kitchen next to the refrigerator, because as you have during the game so from time to time out and ;-)