EG4 Community Forum

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Joined: September 6, 2025 8:28 pm
Topics: 2 / Replies: 14
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RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@jlankford @jlankford great idea looking at the inverter data details. I can see when it happened, at 11:35a and that's what I see when I look at h...

8 months ago
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RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@dougl The BMS Limit Charge value changes dynamically (at least it does with the EG4 BMS). You could look at the data history and see what the valu...

8 months ago
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RE: SOC % setting 11

Thanks! We have kept the setting at 50% as the EG4 won’t accept setting of 60%we’ll hope that the addition of the panels gets us longer run times for ...

8 months ago
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RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

I had changed the setting on the BMS Config page which said 15S for the battery configuration to 16S and that bounced the battery(rebooted) but also s...

8 months ago
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RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

@dougl Which BMS setting did you change? And what is the "BMS Limit Charge" value reported by the 18K?

8 months ago
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RE: changed a BMS setting, EG4 18KPV dropped to low amp charging. How to revert back

It's now exporting 2kw to the grid even though the batteries are at 77%/52.5V. Anyone know which setting will stop it from feeding the grid with batte...

8 months ago
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RE: SOC % setting 11

DOD shouldn't be any lower than 50% and I'd recommend 60% for longevity of the battery. The reason it lasted longer prior to setting it to 50% is befo...

8 months ago
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RE: BMS not correct in detecting capacity

@jlankford it's only out of context when it considered to be talking about the cells/batteries instead of the system(BMS+batteries) since it is the BM...

8 months ago
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RE: BMS not correct in detecting capacity

@dougl Yes, I understand all of that, and BMS SOC-calculation drift might have been the intended meaning of @signaturesolarjess ' statement, but us...

8 months ago
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RE: BMS not correct in detecting capacity

@jlankford I believe the post by @signaturesolarjess was more of a 'battery system' symptom when the BMS doesn't count the coulomb correctly and the S...

8 months ago
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RE: BMS not correct in detecting capacity

Can you please explain this statement? Perhaps provide some data or a reference citation. You are describing the primary problem with Ni-Cad chemistry...

8 months ago
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RE: BMS not correct in detecting capacity

@signaturesolarjess I have also experienced the same issue as described in this thread. I am now a week into running my (EG4 18kpv & 3 x EG4 Indoo...

8 months ago
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