300 Amp hours Battleborn Lithium Iron Phosphate Battery upgrade, secondary alternator ( under hood generator), 30 Amp DC/DC charger, Sumo Springs, side facing sofa with power conversion to king size style bed, 200 watts solar, power steps, 30 Amp Smart Plug Shore Power.   Additional modifications include front light bar, RV superbed, under closet shelf, rear area storage shelves, built in wine rack ( in closet). The 2014  3500 Ram Promaster chassis was carefully maintained ( service records available).