Cool mobile charging shell. Ordered I had it, because you can give me the envelope directly bear on the iPhone and do not have to bring an extra battery and cables. It makes the iPhone logically a bit thicker, but the battery life of the iPhone is almost more than doubled (original iPhone battery has 1440mAh, this whopping 2200mAh here).
Charging is very fast of equip, I think even faster than the original charger. Here, the battery is only lukewarm. Charging the battery may take 2-3 hours, the charge level is displayed with bright LED's on the back.
For me, a cool and particularly useful gadget on the go!