Correct - float means they got to around 13.5V or so, if all the Combi settings are correct - seems that way. Your at 13.6, perfect.
The Balmar Alternator will charge the batteries to around 14.5ish...
If you look at the voltage curve of a lithium battery, they are pretty much flat at the top. So, somewhere between 13.5 and 14.5ish - they are near or at the top.
Check the settings on the Balmar. From what you describe, it's not setup correctly.
The Balmar Volts display should agree with the Combi, even if its other params that calculate SOC, are wrong.
Here is a link to the display manual, easy to set up. It's a push/hold the button dance to get through the menus.
https://balmar.net/wp-content/upload...S-SG2-0200.pdf
Last thing to check, which I would do no matter...make sure all the nuts are tight on the shunt or anything you can 'SAFELY' get a wrench on. Anything with a B+ (probably red) cable - be careful not to touch anything metal when tightening.
Ron
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