Redmi K90 Ultra will have an 8550 mAh battery and a 165 Hz screen: all details revealed
26.06.26
Redmi is actively stirring up interest in its new gaming smartphone Redmi K90 Ultra, revealing all new details before the official launch. The company’s latest announcement focuses on the device’s battery life and image quality.
The main feature of the model was an impressive battery with a capacity of 8550 mAh. Redmi confirms that the cell production uses 16 percent silicon technology. The smartphone will support 100 W fast wired charging, 22.5 W reverse wired charging and bypass charging.

Screen and gaming features
Redmi K90 Ultra comes with a 6.83-inch AMOLED panel that uses Samsung’s advanced M10 luminescent material. The screen has a refresh rate of 165 Hz and peak brightness of up to 3500 nits. The manufacturer claims that the smartphone is capable of providing stable 165 frames per second in more than 40 different games.
Hardware and release date
Under the hood of the gadget lies the flagship Snapdragon 8 Elite chipset. To prevent overheating in active use scenarios, a built-in cooling fan is provided. The smartphone will also have a dual camera setup on the back. The start of sales of Redmi K90 Ultra in China is scheduled for June 30.
FAQ
What is the battery capacity of Redmi K90 Ultra?
The smartphone is equipped with an 8550 mAh battery using 16% silicon technology.
Does Redmi K90 Ultra support fast charging?
Yes, the model supports fast wired charging with a power of 100 W, as well as reverse wired charging with a power of 22.5 W.
What type of screen is installed in Redmi K90 Ultra?
The device received a 6.83-inch AMOLED display with a refresh rate of 165 Hz, a brightness of 3500 nits and a matrix based on Samsung M10 materials.
What processor does the Redmi K90 Ultra use?
The heart of the smartphone is the powerful flagship processor Snapdragon 8 Elite.
When will Redmi K90 Ultra be released?
The smartphone will be released on the Chinese market on June 30, 2026.
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