Welcome! And advice is free and we love a good challenge. So - start a new thread with the model of the camper, ask your question about an inverter and what the goal is, and there we go.
2012 FunFinder X 210UDS
4-68 watt flexible panels; 1-215 glass panel/4 Battle Born LiFePO4 Deep Cycle Batteries
2014 Ford F350 6.7 Liter PowerStroke V-8 Diesel longbed, SRW