Jim, most RV's nowadays have 3 stage charging. I leave mine TT shore power plugged in. When batteries are full it just maintains with a trickle charge. I check midway through the winter season on a nice day the battery levels and add if needed.
2014 Ram 1500 CrewCab 4x4 5.7 Hemi 3.92 Rear and Air Lift 1000
2005 Jayco Jay Feather LGT - 29Y GVWR-6500 lbs.
Pro Series 1200 lbs. WDH with Double Sway Bar.
Champion 3100/2800 watt Inverter/Generator-Onboard Solar Power
ALJO 'Forever Young @ Heart' provide on their travels Music Entertainment to Senior Care Homes