Charging coach batteries with engine.
Ok so I do too much thinking while driving back from Ak. Not much traffic to contend with. 2014 Seneca 37TS. 4-6 volt t 105 Batts, 560 watts of solar. Been cloudy and rainy so not enough solar to keep up with inverter to run freezer. Sometimes my monitor will show Batts being charged with engine running, usually shortly after starting engine, chassis Batts being topped off? If I push the emergency start button monitor shows 40+ amps going to coach batts. OK if engine charges coach batteries how does it know charging profile for coach deep cycle batteries? How does it work charging starting batteries and deep cycle batteries if they are tied together by a switch someway.
I know I can and do run generator to charge batteries or run freezer when necessary.
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