Possible Experience: Solar lighting

Solar lighting is the next new thing to improve the lives of impoverished people around the world. You know these kinds of lights---they are sold at home improvement stores as outdoor night lights. They charge all day long and shine at night.

Take a look at some of the solar lamps now available in Africa, Asia and Latin America, and their advantages are immediately apparent. Even the most basic solar lamps outperform kerosene lanterns. A typical device takes eight to ten hours to charge, and then provides four or five hours of clear, white light from high-efficiency white LEDs. The number of times solar lamps can be charged before their internal batteries wear out has improved enormously in recent years, along with their ability to cope with dust, water and being dropped. The starting price of $10 or so is still too high for the poorest customers to pay, at least up front. But as with mobile phones, prices continue to fall and novel business models are starting to provide new ways to spread the cost.

?At my house, we quickly discovered that our solar garden lights are very useful on nights during power outages.

Source: http://possibleexperience.blogspot.com/2012/09/solar-lighting.html

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