TP-2597 powerbank, your portable power source, will enable you to charge your device fast and stay in touch with the mobile world longer than using the battery itself. The powerbank has an aluminium alloy coating, making it belong to the exclusive device class. What is more, it will prevent any overload, discharge or surge. You can freely use it to charge the most required gadgets, including your phone, MP3/4/5 player or a digital camera. You need not worry you lose energy, just pack the powerbank in your favourite colour in your bag. You have a lot to choose from J. Exclusive gold, shiny silver or traditional black? Regardless of the colour you choose, the powerbank will be great!