Solar Powered Fan

Solar Powered Fan

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The world’s first photovoltaic cell was built for first in the far 1839 by the French physicist Becquerel, who was only 19 years old then. 48 years after that, in 1887, Heinrich Hertz discovered the photoelectric effect and this discovery was used by the Russian scientist Aleksandr Stoletov to create the first photoelectric cell based on it.

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At their beginning photovoltaic cells were highly expensive and too inefficient, with just 1% efficiency. But in the following years they were strongly researched which led to increasing their efficiency and decreasing their price. Nowadays they’re fully affordable and find various applications, from generating solar energy in huge photovoltaic power stations to household battery chargers and energy source for many gadgets and devices. One of these devices is the Solar Powered Fan by Goldmaster. It is powered by solar panel with adjustable angle and connected to the fan via extendable wire. The fan has comparatively small dimensions of 14 x 14 cm (5.5 x 5.5 inches), which makes it questionable whether is it sufficient to cool entire room. But probably 2 or 3 devices could fix such problem. The panel is 14 cm long and 6.3 cm wide (5.5 x 2.5 inches).

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Watch the video: Mini solar fan 3W and 5W review (September 2022).


  1. Lucan

    In it something is. Now everything is clear, thank you for the information.

  2. Dudon

    If you looked more often at a simple mathematical reference book, discussions on this topic could have been avoided altogether.

  3. Jeryl

    Thanks for the help on this question.

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