In a Sprinter RV, I have Victron Orion-Tr Smart 12-Volt DC to DC 30 amp charger, SunGoldPower 4000 watt 12 volt inverter with adjustable low voltage cutoff from 10.5 to 12 volts connected to 4 Eve LF280K batteries in 4s configuration with supplimental active balancer. Purpose is to be able to...