First, the chic design that catches your eye, which already begins with the packaging. Strongly reminiscent of perfume packaging design, all very valuable.
The battery itself is handy and flat, brushed aluminum, and it's not red. This is rather magenta, as you know it from the Telekom. Not my case. Under Red I imagine the fire engine or Ferrari Red. One star deduction. But there is provided a black purse, I can hide the battery in it.
The technology delivers what it promises. The connectors are positioned behind a flap and verdrecken not so. If you open the door, he is right there, unless he is charged. Otherwise declares his readiness Vibrate, 4 x 100% means 1 x 25%.
My iPhone 5 has been charged without complaint - I'm happy. Useful extra equipment, just the color bothers me, but the tastes differ.