The Power Tube 5500 portable battery charger is designed to accompany the iPod, iPhone and iPad. The integrated USB charging port also renders it compatible with a range of different mobile phones, MP3 players, game consoles and navigation devices, for several different connector types can be used. With a capacity of 5,500 mAh, it harbours enough power to charge mobile phones at least twice. When the button on top is pressed, information about battery level is shown on a colour display. With its built-in LED lamp, the charger can also be used as a mini-torch.