Here is a Portable Solar Power Cell Phone Charger that is super lightweight and semi flexible. This is the portable solar power generator setup for charging smart phones and all other USB chargeable equipment.
You can attach the optional 5 Amp Hour USB battery and solar charge the USB battery during the day and power your phone and small LED Lights at night when the sun is not available.
Get more info on this portable solar panel setup which solar charges USB devices from regular sunlight anywhere on earth.
Get more info at www.PortableSolarPower.Biz