Answer: The optimal 24V LiFePO4 battery capacity (100Ah–500Ah) depends on your inverter’s power demand and solar setup. For a 2kW system, 100Ah–200Ah suffices, while 5kW systems require 300Ah–500Ah. LiFePO4 batteries offer longer lifespan, faster charging,… Which 24V LiFePO4 Battery Capacity Is Best for Solar Systems?