A charge controller is a great addition to any solar array, specifically those that are working above 10 watts on a regular basis. These small devices act as "ON" and "OFF" switches to protect your batteries. They prevent overcharging from damaging your batteries and can provide more advanced charging options depending on the make and model.
You can make a passive solar window heater with materials you may have laying around the house. Read the full details: …
Do you feel better now after having read this article? Solar energy, while still fairly new, is making great strides when climbing up the energy ladder. It is set to take over, and it is a renewable energy source that can help you realize great savings in the long run.
Every day there are people all over who introduce solar energy sources into their lives. The above article should help you figure out if this is the best option for you. Combine the advice here with some diligent research. That should help you come up with a plan that works for you.