What you need to know about wireless charging for mobile phones

What you need to know about wireless charging for mobile phones

Wireless charging has been used for several years, either for electric toothbrushes, telephones, robot vacuum cleaners or wireless headphones. Although the basics of induction have been known for a long time – the inventor Nikola Tesla also experimented in this field in the early twentieth century – its recent adoption in more and more varied devices leads to a renewed interest in the technology industry.

Some futuristic technologies promise that one day it will be possible to charge devices remotely, with an energy source from which emanates an electric charge diffused throughout the area. Once it is possible to charge remotely, all you have to do is sit on the train or go to a restaurant to charge your devices. And many other things are on the horizon. But until then let's get acquainted with the abc of wireless charging.

How it works

The wireless charger was launched a few years ago. Recent advances have made it possible to produce chargers that are smaller and more powerful.

Wireless charging uses an electromagnetic field to transfer power from one device to another. The field is created when electricity passes through a coil in the charger, and the energy is converted back into electricity through a second coil, placed in the compatible device. Wireless charging currently only works at very short distances; you need to place the smartphone, for example, directly on the charging surface to transfer energy.

What you need to know about wireless charging for mobile phones

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