Outwardly, it makes a very solid and simple impression. The case is indeed made of plastic, but this is well made. Nevertheless, by the natural protection, would provide an aluminum case the example is missing. Due to the size and weight due to the capacity but this battery is not in your pocket, but rather for the backpack.
It offers the possibility of two units, each with 2.1 or 2.4 to load amps simultaneously. Due to these currents, the devices are usually also charged very quickly back to full charge. About an LED indicator has also a good overview of the current battery level of the battery pack. When loading previously No problems arose, the pack does what it should!
Conclusion: Easy to use: Cable purely connected device, keep charging! In addition, the possibility to upload 2 devices. For longer trips because of its high capacity the ideal companion to always to have enough "juice" it!