The battery no longer has enough charge.
![](https://cweb.miele.com/miga/All/90314979595__Print_All.png)
Use a screwdriver to loosen the two screws on the back.
Remove the lid.
Remove the old battery and replace with a new one.
Make sure the polarity is correct.
Replace the lid.
Secure the lid with the screws.
Dispose of used batteries in a suitable recycling box for batteries.
Rechargeable batteries must not be used.