Notebooks have been more and more lightweight. Along the notebooks, the charger’s head has become a big pain point when it comes to portability. However, today’s laptops chargers are as small the smartphones ones. So are the chargers of Mi Notebooks. There are already two chargers for Mi Notebooks, 45W and 65W PD chargers. However, recently, Xiaomi 90W USB PD charger was exposed on the internet. The 90W charger supports up to 20V/4.5A output, enough to meet the power needs of most notebooks.
From the spy photos, this charger is similar to the Xiaomi 45W and 65W PD chargers. The charger has a is a white color and a single USB-C output interface. In comparison to the previous two chargers, it is larger in size, with a side length of 72mm, a thickness of 28mm and a weight of 220g. It is foldable as well for easy storage.
It is clear that this charging head is produced by Xiaomi ecological chain enterprise Tianmi. Xiaomi 90W USB PD Charger supports PD 3.0, QC 2.0/3.0 fast charge. The specific model is: ADC90TM, input: 100-240V~50/60Hz, output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/4.5A.
Source (in Chinese)