Per Jay's comment "Other BMS's with cell level monitoring/reporting offer a
better option and their price points are coming down", does anyone have
up-to-date research or have recent first-hand experience with
commercially-available BMS for the DIY'er? Our technical requirements are:
1. Cell-level voltage monitoring/balancing
2. Capable of up to ~400 V pack voltage (~100 series cells)
3. Temperature monitoring (doesn't have to be cell-level, but "module" level
would be good)
4. CAN communication to a supervisory controller
5. Nice to have (although maybe rare?)
a. Control precharge contactors
b. Control main contactors
c. Ground fault monitoring
Because we have enough other risks in our student team's custom EV conversions,
we're looking for a commercially-available BMS product that hopefully minimizes
the Energy Storage System risks without inherent "student build" BMS issues
biting us too.
Plus, all the other "wants": reliable, inexpensive, easily purchasable, gets me
a drink when I'm thirsty, etc.
Thanks,
Gary
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