The Anker PowerPort Cube Charger is a portable power station for any situation. It is one of the most space-saving power strips that is equipped with 3 AC outlets and 3 USB high-speed charging ports. The Anker power strip is the same size as a tennis ball and designed with rounded corners for perfect portability. It features a thick rubber-coated power cable, fire-retardant casing, and overload protection combine to provide superior safety..