DIY Solar Battery Charger
It''s a dark and stormy night – too dark. Your home has lost power. Fortunately, you''ve got a fully charged power plant, built from an inexpensive solar panel and a rechargeable battery. Eight hours of sun will produce enough juice to watch An Inconvenient Truth twice on a portable DVD player. You can even find inverters that will turn the station into an AC outlet. Add additional panels and batteries, and you could power the margarita machine and the flat-panel...