.... Which one but can easily "get over". The delivery went fix and courteously. The unit is well packaged. In the package is (except for the battery itself) in an easy to understand and, inter alia, German manual, and a 60cm flat white USB to micro-USB cable. The battery ansich has me working properly and he is doing what he should (look at article description). The battery has a LED flashlight that can be switched on and off by pressing a button. The lamp gives a typical LED white light image from (light for example in small tents perfectly adequate) .PER keystroke you can also read the battery charge in 25% increments. Once the indicator is blinking, it can be seen that the battery still max. 5% charge capacity. Now for the little weaknesses: Since I use the device in the outdoor area, is the shiny, so scratch sensitive surface, unsuitable. What would also be good if you could store the USB cable in the device itself (60 cm length, are too much for me). However, these little weaknesses are so minimal (very subjective) that I can fully forgive 5 star this device still and primarily wants ..