Redmi has revealed more details about its upcoming gaming-focused K90 Ultra. After showcasing the phone's design and confirming several key specifications, the company has now disclosed additional features, including its battery capacity.The Redmi K90 Ultra will come with an 8,550mAh battery, the company confirmed via a Weibo post.It will support 100W wired fast charging, 22.5W wired reverse charging, and bypass charging. Redmi also claims the battery features a 16 percent silicon content.The company has also revealed that the K90 Ultra will sport a 6.83-inch AMOLED display...