Solar-powered lighting, therefore, has amazing potential to meet our lighting needs without reliance on dirty, limited energies like oil and coal. But as the LEDs Magazine points out, until recently, solar lighting was relatively expensive and unattractive. This was due in large part to their desire to plan for the worst case scenario: the shortest days with the cloudiest weather. As a result, the solar lighting of old was used mainly where light was abundant: near the equator.
Combining LED bulbs with solar collectors and efficient batteries solves some of these problems, making solar-powered LED outdoor lighting even more accessible the masses, at a lower cost in more-attractive fixtures, too. Some of the benefits of these new systems include:
Fluorescents produce cool, efficient light, but because their beam angle is quite wide, they send light in all directions. LEDs on the other hand, produce directional beams of light which means less light lost.
Increased efficiency and directability
LEDs can produce light when and where they’re needed, which means the solar panels and batteries can decrease in size.
LEDs require very little energy to run, so the batteries can be smaller than with any other bulbs, and will last longer, too.
LEDs work well in all weather conditions, even the cold.
Although these are just some of the advantages to using LEDs in combination with solar-powered fixtures, it makes for a convincing case.
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