Before long, you won’t have to choose between charging your phone quickly and plunking it on a convenient wireless charger. The Wireless Power Consortium has rolled out a new version of the Qi standard that supports 15W fast wireless charging, much like the sort we saw late last year. The organization isn’t making any performance claims at the moment, and it’ll be a while before phone makers have compatible devices on store shelves. However, it’s safe to say that this will save you some agonizing wait times — you could return home from work, drop your phone on a pad and expect to have a meaningful amount of energy when you head out for the evening.
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https://www.engadget.com/2015/06/24/qi-fast-wireless-charging/