I would like to share my experience to the USB Power Bank from the house PowerAdd here. The company PowerAdd offers here a Power Bank with a battery capacity of 11000mAh. The special thing about this product is that it has 5 USB outputs. Here so you can power up to 5 devices (smartphones, tablets or Navis) simultaneously with electricity. The Power Bank is well protected delivered in a small transparent plastic box. Supplied are next to the Power Bank a USB cable with various adapters (eg, Mini USB and Micro USB), and an instruction manual. An Apple adapter is not included. Owners of an iPhone must use your original cable. In the test with a Samsung Galaxy S5 smartphone was fully recharged within 3 hours. Overall, I was able to completely recharge the smartphone 4x. Only when 5x charging broke off and the Bower Bank had to be recharged. The completely emptied Power Bank was again fully charged after approximately 4 hours. All in all I am very satisfied with the PowerAdd Power Bank and they may hesitate to recommend!