This morning, the battery was fairly low in SOC and I thought, lets discharge it all the way and see what happens with the SOC calculation at this low state of charge.
Well, what I found just confirmed my suspicion I had for a while: the accurate calculation stops at certain point at low and high SOC, while the battery keeps charging and discharging. Therefore, the BMS drifts away from the real SOC of the battery. That is not great and I'm not sure if this is intentional built into the firmware of the BMS or if it is a bug.
There is also something more, I want to show you while the Seplos BMS is connected to the Victron system...
Seplos BMS V3.0 first look, test and review:
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Негізгі бет Inaccurate SOC calculation of the Seplos BMS V3. Here is what I found...
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