More to explore:
Solar-Powered Water Bottle Cap Light | 32 Things You'll Totally Need When You Go Camping
SOS in a Box™ “Portable Solar Generator, Power Station, & Solar Disaster Kits” - provides instant solar electrical power in any outage or disaster. What a great thing to have!
Solar power from aluminum cans?
Solar power charger for iphone. Use one for camping/ beaching adventures!
Seal a plastic bag with the top of a water bottle or any plastic bottle and the lid. Someone had their thinking cap on! :-)
Make your own solar panels out of soda cans. // 25 Clever Ways to Harness the Power of the Sun
Solviden Solar-Powered Lights at Ikea!
solar powered charger - charge wherever you go
Wine Bottle Lantern
Inflatable, solar-powered, waterproof, portable LED light. This thing is crazy! Would be great for camping.
Gear Talk with Jason Klass: A DIY Cap Keeper for your DIY Water Bottle