Different Power Banks serve different purposes. While all in our collection will give your device the energy boost it needs, not at all have as much power as the Slim 8000 Power Bank. This entry to our wide assortment of Power Banks boasts 8000mAh worth of power. In addition to this, it has two USB ports with which to fully charge your portable device as well as that of a friend. The Power Bank is available in both black or silver and can be pad printed or engraved. The sleek casing surrounding the lithium battery, with its gorgeous metallic finish, makes for a striking appearance. All in all, the Slim 8000 Power Bank is an attractive symbol of strength.