Ars Technica:
The Qi wireless charging standard from the Wireless Power Consortium (WPC) is having a relatively good year. Now is a good time for a bird’s-eye view of the technology—how it works, what it’s for, and what its prospects are. This is also a good time because millions of Apple ecosystem users are about to get their first sampling of Qi when the iPhone 8 and iPhone 8 Plus launch this Friday.
Qi has appeared in phones of various stripes for more than five years, and many people are already using it. The basic tech has been used for consumer products like razors and toothbrushes for a while, plus a variety of non-consumer tools.
If wireless charging has been around for years, why has it struggled to become normal? We’ll get into that shortly. But first, for those who are just getting introduced to Qi, we’ll go into the basics of how it works.
This is another example of a technology that will take off now that Apple is supporting it.
Hopefully the technology is better than it was when we had to use it on the Galaxy S3. It took several minutes of futzing to get the phone set just right on the charger so that it would actually charge. (Why did we have to use it on the Galaxy? Because inverting the non-invertable MicroUSB plug will destroy the charging port so that no one can fix it. And it is not covered under any warranty.)
I’ll probably stick with the cable. Charging isn’t an issue with me. 90% of the time my charging is done while driving anyway.
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It won’t take off until it’s actually wireless, not contact. This hasn’t been a hit with Android users because it doesn’t solve a problem, and as DeltaTee mentions, actually generates new ones. Now instead of a lightning cable that is impossible to use wrong I can set it down on the counter wrong? Until it’s actually wireless all this does is make the end of the cable bigger and move it slightly around the side of the device.
That said I am hopeful that the inclusion in Apple devices will drive new innovation to develop actual wireless charging. I’m reading about companies already pushing to develop short range Qi compatible chargers. If they can actually make it work, and make it past regulatory hurdles. That’s going to be the real game changer.