Redmi K90 Ultra Surfaces with 100W, Huge 8,500mAh Battery

A 3C listing and leaks point to a Redmi K90 Ultra with model M332BF, 100W wired charging, Snapdragon 8 Elite, a 1.5K OLED, IP68/IP69, a physical cooling fan and an 8,500mAh battery, likely priced near €364.

Emma Collins Emma Collins . Comments
Redmi K90 Ultra Surfaces with 100W, Huge 8,500mAh Battery

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Imagine a mainstream phone that refuses to play by the usual rules: a huge battery, an unexpected cooling fan, and a chipset that hints at serious performance. That image is taking shape after a fresh appearance on China’s 3C certification platform.

The listing names the device as model M332BF and confirms one clear detail: 100W wired charging. That alone sets a tone. Fast top-ups. Long sessions. Less waiting.

Not your average Redmi

Tipster channels familiar with Xiaomi leaks say this could join the K90 family as the Redmi K90 Ultra. Sources including Digital Chat Station and Xiaomu Technology sketch a phone that blends endurance with features usually reserved for gaming handsets. Think: a 1.5K flat OLED screen with a high refresh rate, a Snapdragon 8 Elite at the helm, dual stereo speakers, and an ultrasonic fingerprint scanner.

  • Display: 1.5K flat OLED with high refresh support
  • Chipset: Snapdragon 8 Elite
  • Audio and security: Dual stereo speakers, ultrasonic fingerprint reader
  • Durability: IP68 and IP69 dust and water resistance
  • Cooling: Built-in physical fan for heat management
  • Battery and charging: 8,500mAh battery with 100W wired charging; no wireless charging

The built-in fan is the most eyebrow-raising detail. It’s not common except in gaming phones, yet it makes sense here: pair a large battery and a performance silicon and you need active cooling to keep sustained loads in check.

8,500mAh is heavy-duty. Play, stream, and multitask for hours. But Xiaomi appears to keep fast refill times in mind, too, with that 100W capability verified by the 3C entry.

Expect a starting price near €364 in China.

How will Redmi position this model? Early indications are that the K90 Ultra could sit below the K90 and K90 Max in the lineup, offering a performance-minded middle ground: more endurance and cooling focus than the base K90, but not quite the flagship tier of the Max variants. A China launch is likely in June or July.

Whether the cooling fan and massive battery become mainstream features or remain niche experiments depends on real-world testing. For now, the K90 Ultra looks like a pragmatic gamble: bring power and longevity to users who prize extended uptime and steady performance over flashy extras like wireless charging.

Source: gizmochina

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