Mobility scooter lithium battery not charging - Teardown and Diagnosis

[@jessegotowork]

Hi, just wondering.
How can you be sure that the bms is not the issue why the pack discharged that mutch?
Or do you replace the bms as a procausion?
Have a good day :)

[@EbikeRepairs]

I replaced the BMS and cells for the customer 👍 only wiring and fibre board stayed the same inside the case