Mr. Buzz is a lightweight solar power battery charger in a cup that uses flexible PowerFilm solar panels to charge a 2400mA battery pack.
It would be nice to be able to charge your batteries charge without using any conventional electrical chargers. Well, Knut Karlsen did just that. His homemade solar batteries are made out of normal rechargeable batteries, with built-in solar cells. All you need to do is to leave the batteries under the sun, and they will slowly regain energy.
In order to benefit from the use of solar energy, there are a few facts you should know. Knowing these facts can assist you to make sound decisions, when looking at the use of solar power as a clean energy source for your home, RV, or whatever the case may be.
A "solar cell" is a device which changes sunlight into [...]
While solar battery chargers have existed for decades, it is [...]