Appliance Repair Questions? Ask a Technician for Answers ASAP
If your confident its charging properly it would suggest the battery needs replacing yes.
How old is the cleaner, and whats the model number?
We are a third part expert firm (not part of Bosch), no additional cost is required for us to provide you details of the replacement part etc, however the new battery itself would be at an additional cost.
Can you confirm if you still would like assistance in locating the replacement part?