EG4 Community Forum

Anonymous
Joined: April 24, 2026 4:43 am
Topics: 7 / Replies: 19
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RE: Questions on LL-S battery behavior

With the rated <70W in normal mode, you should expect to see roughly around 1.37A from the battery bank when powering idle consumption.A lot of BMS...

1 year ago
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RE: 18Kpv does not top balance or fully charge battery bank

This depends on if BMS communication is being used or if the inverter is set to lead-acid battery type. With BMS communication, the charging voltage i...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

@jared Photo of the batteries, above, with the dipswitch info...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

@jared EG4 48v 100Ah LL-S (x4)I had been discharging in Lead Acid mode based on advice from Tech Support. I have to switch back regularly, just to che...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

@brdfrd What lithium brand and battery protocol is being used?

1 year ago
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RE: Battery charge % and communication issue

Would you be able to connect the previous master battery to BMS Tools and post a screen shot of the reading?

1 year ago
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RE: Satisfying Disconnect Requirement

Several wiring diagrams for the 18kPV in an ESS can be found on our website. However, the 706.15 regulation is typically the one referenced for rapid ...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

@jlankford Thanks for the thorough explanation--much appreciated. Next visit to the cabin, I'll be adding another battery, and setting up the autom...

1 year ago
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RE: EG4 Wallmount battery max discharge below 20% ?

@bobandroslyn there would not be a warranty issue.

1 year ago
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RE: FlexBOSS 21 ESS System and UL9540

Testing is currently being done for the UL9540 and as soon as I have more information, I will make sure to post in thread.

1 year ago
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RE: Battery charge % and communication issue

Following up on this. I connected the com cable to Bat #2 and redid the dip switches on 2-10 so that #2 is actually #1 and so on. My 6000XP only se...

1 year ago
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RE: Interview with EG4: Talking All About the GridBOSS & FlexBOSS21

This is possible, but it’s important to parallel them to an external bus, ensuring the Ah capacity of each bank is closely matched. For example, you w...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

@brdfrd You're correct that due to the flat discharge curve of LFP using voltage is not an accurate way to determine SOC, mostly between the range ...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

My original purchase was a 4 pack of batteries and cabinet from SS. They all shipped together. Three batteries were on one version and the fourth on...

1 year ago
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RE: 6000xp Balancing issue--how to correct?

@jlankford Please forgive my ignorance, but I thought that voltage isn't an ideal way to determine SOC, due to how these batteries were designed to di...

1 year ago
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