Solar chargers are quite handy to have when you are stuck on the road and have no access to a conventional power outlet. SPOR happens to be an awesome solar charger for your phone and other USB devices. It recharges itself using sunlight and daisy chains with other SPORs.
SPOR has a 5200 mAh battery and can be charged in up to 3 hours from outlet. You get standby time of more than a month. It can charge 3 iPhones, 5 GoPro devices, or an iPad Air by 60% when fully charged. Spor can be 3D printed in any color. You can get these on Kickstarter.