3. The Charging Contacts at the bottom of the robot
4. The Optical Sensor at the bottom of the robot
13. How to maintain the battery of Dreame F9?
A : The Dreame F9 is powered by a built-in high-performance Li-Po rechargeable
battery pack. In order to maintain battery performance, please keep the robot
charged for daily use.
Tip: If you do not use it for a long time, make sure it is powered off before
storage, and charge it at least once every three months to avoid damage caused
by battery over-discharge.