1S BMS in series or parallel, do or do not?

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Corruptlake

Joined Mar 6, 2023
1
I really cant find solid answers on this anywhere really, im trying to make a modular 18650/21700 battery system intended for quick and safe prototyping.
The original idea is to have modules with 1s BMS, 1x cell and a 3d printed enclosure with a power socket.


The issue here is connecting/stacking BMS circuits in series or in parallel
I have been both advised against for it, or been told that it is fine. I really do not know which one is the case.
I have been told that existing boards already have the capability, I have been told that it would be possible to design a custom board that has the capability, and I have been told it isnt possible. Really would appreciate a solid answer on this.
 
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