How Do Waterproof LiFePO4 Batteries Compare to Traditional Lead-Acid Batteries? Waterproof LiFePO4 batteries outperform lead-acid counterparts with higher energy density, longer lifespan (2,000-5,000 cycles), and faster charging. They maintain 80% capacity after 2,000 cycles, operate… What Makes Waterproof LiFePO4 Batteries Ideal for Trolling Motors and Solar Systems?