Only four months after being the first brand to exceed the 200W mark, Redmi revealed 300W fast-charging technology. A phone can charge from zero to one hundred percent in under five minutes, according to a Xiaomi subsidiary, which later released a video with more information on the technology.
In a controlled setting, the company employed a customized Redmi Note 12 Discovery smartphone with a 4,100 mAh battery (the regular model has a dual 4,300 mAh cell). The device reached 50% in 2 minutes and 11 seconds, and the battery reached 100% in just under 5 minutes.
According to Redmi, the 300W charger can charge up to 10% in just 43 seconds, 50% in two minutes, and 100% in five minutes. The system uses a fully linked 300W fast-charging architecture that was self-developed.
It uses a modified 6:2 charge pump chip on the charging architecture of the original device, and the chip’s maximum conversion efficiency is as high as 98%. Although technology may soon be found in Redmi or Xiaomi smartphones, the 300W charging is not currently available in any official devices.
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