Forum Discussion

pianotuna's avatar
pianotuna
Nomad III
Apr 08, 2022

Not the cells that fail it is the battery Management System!

Hi all, "The Weak Link - The BMS We now have a few years of experience with lithium-ion batteries, and what is becoming clear is that while the LiFePO4 cells hold up very well, that is not the c...
ScottG's avatar
ScottG
Nomad
Apr 08, 2022
This is very helpful Don, thanks for posting. I have been trying to decide whether to buy bats with built in BMS' or buy 4 cells and an external BMS. I have only seen a couple of assembled batterys that can be easily opened and they are much more expensive and have no other attributes - you're just paying for the case.
I think this makes the decision for me.
Another benefit of stand alone BMS' is they tend to more often have better temperature protection and blue tooth. I can also over-size the BMS to head off trouble.

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