I wanted a small battery on the go (race-biking). He should in the frame pocket watch and put Europe at least a full charge. That's exactly right for it. Small, yet strong. The supplied cable and the plugs are optima auchl for the smallest room (The Kable is about 15 cm long) thus saving space. The battery is charging my iPhone (4S) very quickly, is also itself again quickly fully charged. A full charge is loose inside. We managed the included protection solution that protects the great aluminum housing. Tip: The cable should not get stuck in the battery when it is not used (can be partially discharged). But in nearly all battery packs that. My recommendation to buy!