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First graph is from MPPT and second from monitor. MPPT curve looks normal till float state after battery gets full, but then some weird rise in voltage. Battery load was off the whole time, so only mppt working. Second curve is even weirder, should it be the same as with MPPT? I just installed BMV-712 so maybe it's still calibrating? But what could explain battery voltage rise after float state?
is this the first charge for the battery?
Today curves match and no strange behaviour, so maybe this was some calibration thing.
Related to this BMV-712 display says battery charge is ~25% but Android app says charge level is 62%. Maybe another "bug" related to initial calibration.
And this assumes that your battery and synchronization parameters are correct.
History page says 3 synchronisations are done. Still the display and android app shows atleast 30% too much battery level. Battery settings should be according to instructions. But battery hasn't been emtpy yet, maybe that's the reason.
So I think both the display and app show now same but wrong levels?
That picture doesn't really help figuring out your issue...
But it shows another thing:
It seems did configured the BMV incorrect or not at all.
That jump from ~50% straight up to 100% shows that.
Make a screenshot of your settings. What kind of battery do you have exactly?
