On ours the two roof panels are on all the time. The alternator charges the batteries at about 14 volts and once they reach about 90% the solar then takes control.
The WFCO convertor only charges when connected to shore power or jinney and rarely above 13.6 volts in our case. Again the solar quickly takes over.
Our CC has remote voltage sense of the batteries to determine their state.
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2016 Axis 24.1 E-450 6 spd tranny
300 watts portable solar.
200 watts solar on the roof.
Wrangler JK dinghy
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