The Mi Mix 4 is flying off the shelves at the moment, with Xiaomi unable to produce enough of them. If you can get your hands on one, then you will be presented with an enormous box and a charger that can fully replenish the device in 15 minutes.
https://www.notebookcheck.net/Xiaomi-Mi-Mix-4-official-unboxing-showcases-the-device-s-colossal-box-and-120-W-charger.555961.0.html