By simply wrapping a flexible solar panel around standard rechargeable batteries (cheap on ebay) you can create your own solar powered batteries (literally). Simply set them by a window and you’re now creating DIY Green energy to power your electronics.
“The efficiency would not be that great of course, but having a bunch of batteries lying in the sun for some days could not hurt anyone.” See more of our solar power projects.
“With the first batteries will tricle charge over time, which is not that good for the batteries. A second version, with some electronics and capacitors, could increase charge voltage and reduce charging time while maintaining battery health.” – Be sure to subscribe to HacknMod and receive hacks via RSS feed.