I will need to consult with our R&D team for this. Once I have the information, I’ll share it in the thread.

This would be correct. However, feel free to use the string size calculator shared by Joel.

Could you provide the data history to help clarify this issue? Depending on the time frame, the battery drain might be due to the inverter's normal or...

The resolution for this issue has been shared in this thread.

Is Power Backup enabled? If so, could you export your settings and share them in this thread?

@donbarber this has been reported, and we are actively looking into having this corrected.

Could you please DM me the serial number for the FlexBOSS21 so I can take a look? Additionally, you should be able to use the local monitoring feature...

Would you be able to post a few pictures on how the system is connected?

@wvaoffgrid with a two-wire start/stop, you would not need to manually start and stop the generator.

Also, feel free to check out our new string sizer tool here: EG4 Solar Panel String Sizer.

I’d also like to note that we’ve encountered some issues with the LCD update when using PNY-branded thumb drives.

@tristan Here’s a guide that should be helpful: EG4 18kPV-12LV LCD Update Guide. Also, this video has a walk through for the update process: How to ...

I would recommend checking if the PV input is cross polarized by measuring the voltage at the MPPT terminals. If the connections are cross polarized, ...

Not that I am aware of. However, I will make sure to update the thread as soon as I have more information on this matter.