The Concept Tent (also known as the kaleidoscope or solar powered tents) was. . But before you throw out your old tents, solar panels and thermal underwear .
And on the civilian front, you can use small, portable solar panels to power devices like cell phones, MP3 players and digital cameras — and for indoor tent .
Find great deals on eBay for Camping Solar Panel in Solar Panels.. 20W 18V Portable Epoxy Solar Panel Battery Charger Motohome Camping Tent Outdoor.