Fast charging has been one of the key battlegrounds in the smartphone wars in recent years, and Xiaomi has often been at the forefront. Last year, the Chinese OEM announced that it was working on a 100W wired charger that could fully fill a 4,000mAh battery in just 17 minutes. It's now going one step further with 80W Mi Wireless Charging that takes almost as little time to do the same job sans wires.
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Nubia, of Red Magic fame, just teased an image of a phone charging on Weibo. In it, the device claims to be topping itself up at a ridiculous 80W speed. That's a pretty impressive number, and faster than anything else we've seen or heard of in a phone before, but it also raises some concerns. It claims to be doing this via USB PD, according to the image provided, but if it is, it's breaking the Power Delivery spec to do it.
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