Are these batteries replacing the existing batteries on your trailer? Not quite understanding your overall setup. I have a 2021 Cougar 26RBS that I upgraded from lead acid to 2 x 100ah Battleborn lithium batteries and upgraded the converter to a WFCO WF-9855LIS... Trailer also has 2000 watt inverter and 175 watt solar panels/charger already built in. System works great. I also added a Victron shunt to monitor battery status which helps management a lot.
2022 GMC 2500HD Sierra Denali Crew Cab Gas
2021 Cougar R26RBS