The Zipper power bank is an elegant design whos edges are inspired by the interlocking of a conventional zip. Its front and back surfaces however are flat, smooth and uninterupted to offer a large print area ideal for maximum branding impact. The Zipper power bank is available in four different colours and has an integrated soft-touch leather loop which can be used to attach the Zipper to a lanyard or set of keys. With a power capacity of 3600mAh, the Zipper power bank will breathe life back into a dead smart phone (or other small electronic devices) in a few minutes and fully recharge a typical smartphone twice. The Zipper as with all our branded power banks, are individually tested for both performance and safety.