... or long trips, or even just as a back-up power source. Works great for charging mobile phones, PDA"s, portable game ... , music players, tablets, etc.Main Functions:1. External battery pack power bank for iPod, iPhone and Samsung HTC mobile phones2. Perfect ... performance,3. Easy to take and charge conveniently4. Fashion LED power indicator,5. High Capacity: 12000mAh6. With Mini USB input socket ...