The Green Lion Solar Max 80000mAh Powerbank is a power storage device suited for everyday use especially while traveling to keep your devices charged for weeks. The Solar Max Powerbank uses both solar energy and a polymer battery as your portable power source. It features USB-C, USB-A, Lightning, and Micro Output ports, which allow you to charge multiple devices at the same time, and with the digital display used in it, it makes keeping track of the power bank battery easier than ever.