PowerSkin’s® smooth silicone cases with built-in batteries provide up to twice the power for popular iPhone, Android, Windows and RIM smartphones, featuring sleek, protective designs that fit your phone and fit your style. PowerSkin® is XPAL Powered, meaning it’s charged by patented battery technology that reflects the highest standards for safety, quality and performance. Designed to be your go-to, go-anywhere, go on-and-on power source, PowerSkin® has got you – and your phone – covered.