The advanced technology in the Perun DS-200W solar panel kit results in high charging conversion results up to 23%. There is a USB output port on the side to allow you to connect an electronic device directly to the solar panel for charging. The waterproof, lightweight design is foldable for compact storage and includes built-in carry handles and a convenient zippered storage compartment for the cables and accessories. There are fold-out kickstands on the back of the panel to allow you to position it for optimum charging results. The DS-200W is compatible with all Perun portable power stations.