Xiaomi Robot Vacuum Battery Drains Quickly! What’s the Issue, and How to Fix It?

Xiaomi robot vacuums are great helpers in home cleaning. However, some users complain that the robot vacuum’s battery drains quickly. If we list the reasons why Xiaomi robot vacuum battery drains quickly:

Table of Contents


Old and worn-out battery: The battery’s lifespan is 2-3 years. After this time, the battery’s capacity decreases, leading to quick drainage.

Incorrect cleaning mode: Modes that operate at maximum suction power consume the battery more rapidly.
Cleaning in heavily soiled areas: The robot vacuum expends more power in heavily soiled areas, resulting in quicker battery drainage.

Obstacles: If the robot vacuum gets stuck on obstacles, it expends more power to free itself, leading to faster battery drainage.

Sensor contamination: If sensors get dirty, the robot vacuum cannot operate efficiently, resulting in quicker battery drainage.


Replace the battery: The battery’s lifespan is 2-3 years. You need to replace the battery after this time.
Adjust the cleaning mode: Selecting a mode that consumes less power can prolong the battery life.
Pre-clean heavily soiled areas: Pre-cleaning heavily soiled areas with a vacuum or mop can reduce the robot vacuum’s power consumption.
Remove obstacles: Clearing obstacles from the area where the robot vacuum will clean can make it operate more efficiently.
Clean the sensors: Wiping the sensors with a damp cloth can improve the robot vacuum’s performance.
Technical Service:

If you still experience battery issues after trying the above solutions and your robot vacuum is still under warranty, you should take it to an authorized technical service.

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