EG4 Community Forum

Anonymous
Joined: November 9, 2025 3:12 pm
Topics: 3 / Replies: 14
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RE: Measured numbers don't add up - 100% of PV Gen going to Consumption Power

Right now, my batteries are putting out 435W while my Load is consuming 572W.

10 months ago
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RE: GridBOSS and Generac whole-house generator

@wicksmith1 I was able to get the generator working after all. You can see this thread for details

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

@jlankford I agree that is a good idea. Thanks for the feedback!

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

@dougl FWIW, when looking at the BMS data or changing settings on an EG4 battery, you have to take the battery offline communications-wise. The bat...

10 months ago
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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...

10 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...

10 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 ...

10 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...

10 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?

10 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...

10 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...

10 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...

10 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...

10 months ago
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