If you plan on leaving your coach plugged in (I know many of us do) then just make sure your charger is automatic. But it only has to be 3 modes;
Absorption Mode: During this mode the output is about 13.6 V range, this is the normal operation mode.
Bulk Mode; In this mode the output voltage switches to 14.4 to 14.7 V range for when you batteries are low
Float Mode; This is when the converter is charging the artery as in trickle charging of the 13.2v range.
You really don't need any more than that unless you want to add the Equalizing mode which overcharges your batteries for a certain period of time which cleans the inside and starts them fresh again. Some only do this once a year some more often. Honestly, I don't worry about that mode.
I think you are good where you are unless you want to change it out. If no problems, wait.
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2015 Four Winds Super C, Class C Motorhome
4 - 100w mono solar panels with MPPT40 to charge four 6v batteries with 440amp hours.
Progressive Industries HW50c surge protector
1800 / 3600 inverter with auto transfer switch,
The bosses: My wife and two Labradoddles 80 lbs each
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