How to maintain the battery of the Xiaomi Robot Vacuum X20 Pro?

The Xiaomi Robot Vacuum X20 Pro adopts a 5200mAh (nominal capacity) high-performance lithium battery pack.
It is equipped with a high-performance lithium-ion rechargeable battery. To maintain battery performance during daily use, it's recommended to keep the robot vacuum charged.
Note:
If the robot vacuum is not in use for an extended period of time, power off and store the device. Charge it at least once every three months to prevent battery degradation due to discharging.