Caveat: I am very pleased with the USB power adapter. That happens to me very rare. I have the equipment originally purchased for my BlackBerry and the iPhone to upload the same overnight. This worked so well that I tried it with the iPad and it worked reliably. Slightly slower than with the original power supply (especially if at the same time the BB was my turn), but without any problems. It shows even in the on state, that it is loaded. The USB port of my computer it does not. In addition, the adapter on vacation is quite handy because it has two USB ports, so you have only the USB adapter cable to the peripherals to take on vacation and no longer 10 chargers. So then camera and mobile phone can be charged at the same overnight. What also surprised me: It is barely warm. The charger of my camera (also USB) is significantly warmer. In comparison, almost hot. What is not clear from the article description: The Mini USB cable is not a data cable. So it can only be used for charging. Even if data is to be transferred on vacation about this cable must be replaced by a "normal" Mini-USB cable.