Executive style powerbank with a function button, working indicator light and built in intelligent over charge and discharge protection. The Smart Power Tower is suitable for charging mobile phones, MP3/4 players, digital cameras and portable gaming devices. The Tower’s aluminium finish is an ideal surface for laser engraving but spot colour printing options are also available. Battery Capacity: 3.7V/2200mAh/8.1WH. Packed in a cardboard window box as standard but can also be supplied in plastic presentation gift box at an extra charge - please enquire.