10 unusual devices to charge your smartphone
Devices / / January 06, 2021
1. Dynamo machine
The simplest and most effective thing you can think of. You twist the knob, you get energy. As in the good old 19th century. If you use the device for a long time, you can even pump up your wrists a little. Probably.
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2. Powerbank with solar panel
A portable battery equipped with a solar panel. Leave it in a bright place and the charge will gradually replenish. A useful thing when hiking.
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3. Dynamo with battery and solar panel
Powerbank, combining the capabilities of the two previous devices. When the sun is there, it charges under its rays. When it's cloudy, you have to turn the handle. A universal option.
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4. Lemon battery
You can even charge the battery with lemons or oranges. This is because the fruits and tubers of some plants are a good electrolyte.Lemon battery. But do not try to repeat experiments with them at home, as there is a great risk of damaging the battery.
5. Mini fan
Wind has been used as a source of energy since ancient times. He can charge smartphones too. For example, here is a kit from which you can assemble a miniature wind generator for your phone, connected via USB.
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6. Wind turbine
But the cooler thing is a real wind turbine that generates up to 400 watts. In the city, however, you can hardly drag it with you, but it is quite possible to take it on a long tourist trip for installation in a camp or even in the country.
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And if you do not want to spend money on Chinese inventions, make a turbine yourself from plastic bottles, as in the video below.
The author has compiled detailed instructions here.
7. Thermoelectric generator
The BioLite CampStove portable brazier not only allows you to cook in nature, but also charges your smartphones. Install it and light a fire in it, and it will power phones, flashlights and other devices with 3W charging.
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8. Peletier element
One craftsman, taking a thermoelectric cooler and a battery power circuit, managed to recharge the smartphone with the heat of his own body. The principle of operation of the device is basedThermoelectric effect on the "Peletier effect".
9. A cup of hot coffee
Another device, assembled by the author of the DIY Vlogs channel, works on a similar principle. Pour hot coffee into a cup, and together with the thermoelectric cooler, due to the temperature difference, it will generate electricity.
10. Bicycle charger
This is a dynamo that you have to turn not with your hands, but with your feet. Put this thing on your bike, plug it in, and it will generate electricity from pedaling. A USB charging connector is attached to the handle, which is connected to the device itself with a cable.
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