How Do LiFePO4 Batteries Compare to Traditional Lead-Acid? LiFePO4 batteries outperform lead-acid in energy density (2-3x higher), lifespan (5x longer), and efficiency (95% vs. 80%). They maintain consistent voltage during discharge, tolerate deeper discharges (90%… What Are the Benefits of 4pcs Lifepo4 100Ah Cells for Solar & EV Systems?