Short Answer: 12.8V/24V LiFePO4 batteries offer superior energy density, 4,000+ lifecycle longevity, and tax-free certifications for mobile/off-grid applications. Their stable chemistry minimizes thermal runaway risks while providing 95% depth of discharge – a 3x improvement… What Makes 12.8V/24V LiFePO4 Batteries Ideal for RV and Off-Grid Systems?