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Luxpower SNA with SUN 14KW battery

JP98
in Questions & Answers?

Featured Replies

Hi all.

Is someone maybe able to assist here?

I have a luxpower inverter connected to a sun battery.

For the most part the coms seems to be working. The only issue I see is that the display of total AH of the battery is wrong.

Does anyone have any info to remidy this and what is the ramifications of this being wrong.

I am attaching a screenshot and battery manual

Screenshot_20250408_101355.jpg

SUN-CNY51280RN-51.2V-280Ah-14.34kWh-wheel-grouned-20241112.pdf

  • Quote

    Have you used PBMS Tools to check what Ah values are reflected there?
    Hit the Read button when you are in this Tab to see what the BMS states.
    If the values here are as per the battery specs, then it could be a comms/protocol issue that the Inverter is not reflecting the correct info
    Could well be that the max discharge current of 100A is reflected as 100Ah by the Inverter ?

    image.png

    Edited by zsde

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