Flashback is a decade of Xiaomi battery and fast charging technology
Flashback is a decade of Xiaomi battery and fast charging technology
Battery charging is one of the few remaining segments in the smartphone world where proprietary technologies can thrive. Most companies use chipsets from the same suppliers, they buy the same screens and camera sensors too. But the batteries and accompanying hardware is sometimes fully custom and has been a field of fast-paced innovation in the last few years.

Okay, USB Power Delivery exists, some might say it’s the best option because of its wide support. The same argument can be made for Qi on the wireless charging front. But right now proprietary systems allow for higher speeds and are used on some standout devices.
This week we wanted to look at how battery and charging tech evolved over the last decade, and we will focus on Xiaomi. We will be looking at averages for the most part, but we have also included maximum values as they tell an interesting story as well.
We often hear people say “give me a big battery, even if the phone is thick”. For better or for worse, neither Xiaomi nor other smartphone makers seem to agree with that sentiment. As you can see, the average thickness of Xiaomi phones fell steadily for a while, then stabilized around 9mm. However, the average battery capacity still went up over time thanks to technology improvement.
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