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What Is Wireless Charging and How Does It Work?

What Is Wireless Charging and How Does It Work?

December 16, 2019

It may not seem possible, but the concept of wireless charging has been around for over a century.  It is, however, new in the Apple iPhone 11 line.  Zohmo is going to take a look at the technology for you and give you a basic run down of how the technology works.

The fundamentals of wireless charging goes back to Nikola Tesla and magnetic resonant coupling – transmitting electricity through the air with a transmitter and a receiver.  Most of the time the technology was limited to some electric toothbrushes and razors.

Today, the world of wireless charging has changed significantly as the idea of a cable (leash as we at Zohmo referred to them at one time) is slowly but surely being cut away.  Everything from cars to kitchen appliances are now standard for wireless charging technology.

It is the IoT, the Internet of Things, that is pushing the for technology to move away from charging cables.

Wireless charging is, on the surface, a simple process.  A loop of copper, a coil, creates a magnetic field which sends electricity to an receiving antenna.  The bigger and more the coils, the more and farther electricity can travel.

For the Apple iPhone 11 line, the coils are very small and charging is rather limited to a few inches at the most.

MIT professor and founder of WiTricity Marin Soljačić transferred electricity two meters but at a substantial loss.  Since his 2007 discovery, the distance and the energy loss has dropped.  This means the technology of wireless charging is getting better and better.

The iPhone 11 line uses Qi (Chee) wireless charging capabilities.

Unlike other charging systems that required exact placement on the charging station, the new Qi system can function easily by simply laying the iPhone 11 on the surface.  The ease and convenience of the charging system certainly make the purchase of an iPhone 11 tempting.

The only drawback is Apple iOS 13 is a real battery drainer.  The addition of the two new cameras and extended photo and video capabilities mean the battery will drain and drain quickly.  This is why it makes sense to own the best iPhone 11 battery case on the market from Zohmo.

Besides the best, it is the thinnest iPhone 11 battery case on the market.  Many elect to stay away from battery cases because of the additional bulk and size is a turn off from what is normally a sleek and stylish iPhone.  The Zohmo iPhone 11 battery case makes certain this is not an issue for the user while providing the best in protection from drops and dings, yet another reason the best iPhone battery case on the market is from Zohmo.

Those looking for the perfect holiday gift will find a full line of the thinnest and best iPhone battery cases on the market at Zohmo.com.  As always, safe shopping, fast shipping, 30 day money back guarantee and the best customer service on the Internet for iPhone 11 battery cases.



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