I know nothing of this charger, but on a programmable one, you can also trick it by making float and absorption voltage the same.
Full charge is indicated by acceptance rate in amps, on my Lifelines
it .5% of AH capacity, so for my 660 AH bank it's not fully charged until at absorption voltage the amperage is 3.3 amps.
That is Lifelines
, your batteries I'm sure may be different but the manual for them ought to tell you what defines a full charge, go with your batteries manual whatever it says.
I asked if these batteries and be equalized, cause if I drew my lifelines down that low, after a full charge and allowing them to cool I believe I'd equalize them to try to recover lost
Course not all AGMs can be equalized
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