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Discussion Starter · #1 · (Edited)
Here is a 4-cell CMU (Cell Monitoring Unit) board showing some of the components:




And here is a diagram of the power supply(s):



And the CAN Buss and Autonumbering Daisy-Chain circuits:



And thanks to Mário Fernandes in Portugal, we have the internal daisy-chain wiring harness:

 

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Discussion Starter · #3 ·
Here is the lower 256-words of the eeprom, the upper 256 are identical. This 4-cell CMU was in a pack in location "6", known as CM06. The first word seems to be the board ID #. Wrote an Arduino sketch to read the chip with a MicrowireEEPROM library from timos on github.
 

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