EG4 Community Forum

Anonymous
Joined: June 22, 2026 2:00 am
Topics: 7 / Replies: 19
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RE: FlexBOSS 21 ESS System and UL9540

@coolcat I've attached a document for the Flexboss and Indoor WallMount battery. Let me know if this isn't what you are looking for. EG4-FlexBOSS21-28...

1 year ago
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RE: EG4-3000EHV-48 No AC Out with Eco-Worthy Server Rack battery and setting 5 in "LI 2" mode

For user-defined, it really depends on your battery's recommended configurations. Normally for EG4 batteries, the settings would be: #26 (Bulk char...

1 year ago
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RE: How does this make sense?...

@eg4c I would need to review additional data, as it's difficult to analyze based on a single recorded instance from the inverter.

1 year ago
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RE: Apple laptop

@jp86gt There is not one for the WallMount batteries. If you need assistance with the firmware updating process, I'd be more than happy to help.

1 year ago
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RE: EG4 6000XP with Solar and Wind?

@whiskyneat305 The inverter's MPPTs are engineered solely for solar applications and are not compatible with wind energy. Under no circumstances shoul...

1 year ago
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RE: Error codes in two of my four EG4 LifePower4 Lithium Battery | 48V 100AH | Server Rack Battery | UL1973, UL9540A

@haitises Unfortunately, we are currently unable to send out the BMS, as our compliance and legal team is still working on the necessary documentation...

1 year ago
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RE: 6000XP Not exiting bypass mode for hours

For what it's worth, and you're likely aware, but there's a *whole* bunch of people with this problem in the diysolar forum:br />

1 year ago
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RE: How do I programatically turn OFF "Grid Sell Back" for all times but Forced Discharge period

I'm glad you were able to get it to work! Let me know if you run into other issues.

1 year ago
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RE: Does the 6000XP validate the checksum on Pylon RS485 packets?

Also, a related side-question: Does the 6000XP care about and interpret the cell voltage and cell temp values from the pylontech RS485 protocol? IT pa...

1 year ago
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RE: How do I programatically turn OFF "Grid Sell Back" for all times but Forced Discharge period

SOLUTION: @eric, never mind I believe I found it as ModBus address 103, MaxBackFlow set as a percentage of something. Im not sure what the percentag...

1 year ago
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RE: GridBOSS/FlexBOSS not backing up when grid is down

To update this: The homeowner experienced a power outage yesterday (about 5 days after most recent troubleshooting trip) and the system worked exact...

1 year ago
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RE: How do I programatically turn OFF "Grid Sell Back" for all times but Forced Discharge period

@eric is there a ModBus input-address associated with the "Grid Sell Back Power" setting? It really sucks that the Grid Sell Back Power setting...

1 year ago
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RE: EG4 3000EHV-48 for Time of Use Charging

I have almost the same setup and for the same reasons. I struggled with settings until I bought Solar Assistant on the Raspberry PI. What i did was au...

1 year ago
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