Roborock S4 CE - Manual (Page 30)

027
Environmental protection description
The chemical substances contained in the built-in lithium-ion ba tt ery of this product can cause environmental pollution.
Before disposing of this product, remove the ba tt ery. The ba tt ery should then be properly recycled either through local authorities or
by providing the ba tt eries to a ba tt ery recycling facility.
How to remove the ba tt ery:
1. Turn o ff the robot.
2. Unscrew the ba tt ery cover.
3. Remove the ba tt ery cover.
4. Press the clip to pull out the ba tt ery connector.
5. Remove the ba tt ery.
Note:
Before removing the ba tt ery, make sure it is fully drained. Do not a tt empt to remove the ba tt ery if the robot is connected to the charging dock.
Remove the entire ba tt ery pack. Avoid damaging the ba tt ery pack casing to avoid short-circuits or leakage of hazardous substances.
In the event of accidental contact with ba tt ery fluid, rinse thoroughly with water and seek immediate medical care.
Note:
The following information applies only when disposing of the robot or if the ba tt ery is no longer funvctioning normally. You will be able to recognize this problem if, even when
le ft to charge, the robot cannot clean due to a low ba tt ery. Do not remove the ba tt ery if you intend to continue using the robot.