Re: [electricboats] Draft Schematic-Please give input

I am skeptical of passive load monitoring. Your reasons for choosing it are all about the pack. What about the load? What if your motor controller fails and wants to short the pack? With passive monitoring, there is no protection. There is also no guarantee that you will be attentive to a load issue when it occurs. You might have your hands full with other aspects of the situation.

I understand about not wanting to be stuck because of one bad cell. Maybe some sort of BMS bypass on the load side might be a reasonable compromise? If your BMS shuts down while using the pack, assess the situation, resolve it, or proceed carefully on bypass if needed.

I added a bypass on the charging side, since I use a solar charger, and never want to get stuck because the pack voltage was too low and the BMS wouldn't let the charger charge it.

Interesting that I destroyed two cells when I tried to do passive monitoring. Since installing the BMS between the charging and load circuits and the pack, I've had no problems. Maybe it's a karma thing?

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