March 16, 2016
Wireless (or inductive) charging uses an electromagnetic field to transfer energy between two objects.This concept was first demonstrated by Nikola Tesla, and it has a long history of commercial use, charging of electrical toothbrushes, for example.
Let’s take a look at the advantages of this technology. The first is convenience: you just place your device down on the charging pad and it's charging! It’s as easy as 1-2-3. Secondly, it can solve other problems in environments that are not suitable for electrical power cords because it’s wet, moving, dirty or needs to remain sterile or hermetically sealed. Of course, there is another side of the coin as well. Wireless charging is a bit slower than charging with a cord, and this technology is usually a bit more expensive. There is some confusion between standards, which basically means that you can’t charge your device with any type of changer. Majority of people identify Qi with wireless charging, which is adopted by some of the biggest tech companies like Samsung and LG. However, the other commonly known type of Wireless Charging is Powermat, which can be found in Starbucks coffee shop chain. Unfortunately, Qi and Powermat are not compatible with one another. Some manufacturers started to built both standards into their phones, for example the Samsung Galaxy S7 and S7 Edge can be charged using both. So it looks like Qi is winning the battle! The most popular devices to be charged wirelessly are smartphones. A lot of newer phones have Qi standard Wireless Charging receivers built right into the phone by the manufacturer. The older models can be made compatible with an add-on receiver. (see the list here: http://www.fonesalesman.com/pages/qi-enabled-mobiles)
The point is still convenience. Just imagine having wireless charging in your car, on your nightstand (it can be built into your furniture as well, have you seen FurniQi?) at your office desk, and in the living room. It’s just easier to live wirelessly. And let’s be honest here: is there anything cooler than dropping your phone on a stone, and the phone starts charging?
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