What is the battery of the Xiaomi MIX Flip?

The detailed information of the battery and charging is as below:
1. The Xiaomi MIX Flip comes with built-in new-generation silicon carbon negative electrode parallel dual batteries, with two surge battery management chipset and one surge dual-battery current sharing chipset. It can last 1.4 days, ensuring worry-free endurance. The rated capacity of dual batteries is equivalent to 4665mAh, and the typical capacity of dual batteries is equivalent to 4780mAh. The batteries are voltage battery of 4.51V;
2. The 67W wired turbo charging completes in as fast as 42 minutes to reach 100%. The Xiaomi MIX Flip supports fast charging protocols of QC2.0, QC3.0, QC3+, QC4, PD2.0, PD3.0, and PPS. The adapter and cable that come with the package also support Xiaomi encryption fast charging;
3. The charging power supports up to 67W. The standard charger output is 5-20V/6.2-3.25A (67W Max.). The actual charging power will be intelligently adjusted according to the different matching of the charger cable, as well as the remaining power of the phone, the use of the environment and so on.
Note:
1. Wired charging is based on the unfolded screen state;
2. Data sourced from Xiaomi Internal Labs: The 4780mAh battery achieves 100% charge in 42 minutes under wired charging with the screen off, using the Xiaomi 67W wired charger.