EG4 Community Forum

Anonymous
Joined: April 17, 2026 7:04 pm
Topics: 7 / Replies: 19
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RE: Chargeverters

@powelljn50 If the batteries are communicating with the inverter, you would need to set the Chargeverter to charge the batteries by voltage. Since the...

2 months ago
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RE: LL V2 & LL-S Battery Adapter/Firmware Updater: RS 485

@cw218kYou can use this video as a reference. If you run into any issues, please let me know.This Saves A Lot Of Headaches For Off Grid Solar Users! E...

2 months ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

@natwall1 If you have the Indoor Wall Mount batteries read the post from "Krzysiek_KTA" above. The solution he found to the brown outs that we were...

2 months ago
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RE: Gridboss with 2 Flexboss18s show's flex boss consuming not gridboss

I don't believe it will show data on that screen since the Gridboss is not an inverter. However, if you go into the Data history tab, you can see that...

2 months ago
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RE: EG4 14.3kWh indoor wall mount battery BMS comms issues - resulting in blackouts, power blips, and charging restarts

@natwall1 Can you share the ticket number that Signature gave you if available or can you provide the inverter's serial number so I can look at the se...

2 months ago
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RE: Can EG4 provide feedback about flickering on the 18Kpv?

@bobandroslyn If you have Seamless EPS switching enabled, you can try disabling it to see if that helps. As of now, I don't know any other settings th...

2 months ago
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RE: Can EG4 provide feedback about flickering on the 18Kpv?

@eg4eric Ever since updating my 18kpv to FAAB-2525 I've seen way more flickering. Might give support a call, but wondering if there are any setting...

2 months ago
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EG$ 21 Flexboss with 6 server rack batteries... intermitent power "blips" (2-3 seconds) all power lost... then comes back on, with no record of errors in APP log...

So, bought the EG4 Flexboss 21 last June/July 2025 from Signature Solar. I did NOT get the grid boss, so, it's completely off grid (managed through my...

2 months ago
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RE: Chargeverters

For consideration: Flex-boss 21 would be better served if it had a way to start a generator or manage multiple chargeverters in an off grid scenario, ...

2 months ago
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RE: Chargeverters

@eg4eric I have batteries paralleled and communicating. The RG485 is connected to the 1st chargeverter annd master battery. It is set to start gene...

2 months ago
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RE: Flexboss 21 dirty sine wave

I have the same problem. My home theatre receiver and subwoofer both have humming transformers (not through the audio signal, but physically). It ha...

2 months ago
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2 months ago
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