Another thing worth noting, GL2, is the RATE of charge current decay, towards the end of your charge.
You won't know how much your battery bank capacity is decreasing with age, but your ammeter will tell you that, if you observe it carefully.
Get used to seeing how the charge current reduces, on your Victron gauge. (the 'I' display, just below 'V') As you reach fully charged NO MATTER WHAT the capacity is, you will note that the charging current changes more slowly. It would eventually come to a halt.
So as an example, if you see that the charge current hasn't reduced much in the last half-hour, then they're full. I'm not sure of the numbers, I just use a 'feeling' brought about by observation.
Try observing, GL, and absorb what you see!