This book describes how to build a solar power supply and system which is portable, rugged and sturdy in construction, highly efficient at battery charging, and produces DC power through a Universal 12 VDC "cigarette style" plug or USB output day or night on demand to power electronics for Outdoor use and during Natural Disasters. In times of emergencies, electrical grid power is the first to go out. Blackouts, Floods, Hurricanes, Tornadoes, Earthquakes, Land Slides, the natural world can unleash catastrophes which leave people without basic services, and especially sources of electricity. Build your own Portable Solar Power Supply in 17 easy to follow Steps.