Charge your devices via USB with the smart and energy saving Port Designs 900114 Solar Portable Power Bank.Instead of needing to charge the power bank through a mains source, you can power your smartphone, tablet and more using solar energy anywhere you go.The power bank can charge two devices at the same time and has a shock- and splash-proof body so it can stand up to being carried around.It comes with a carabiner hook for easy transportation and has a handy SOS / flashlight for when you're camping.