Update – comparison with an identical working E4C0C battery
I have now obtained an identical, fully working Darfon E4C0C battery and was able to compare both the electrical signals and CAN communication directly.
Working battery:
PRESENT line (green wire) is approximately 4.8 V with no charger...
Hi,
I'm trying to repair a Darfon E4C0C battery used with a Shimano STEPS system and I'm looking for someone who has experience repairing or diagnosing these Darfon BMS boards.
Battery details:
Darfon E4C0C
36.3 V / 14 Ah / 508.2 Wh
10INR19/66-4
MFW: 0.0.007
GFW: 01.FF
The battery does not work...