The APEX 5220 PRO is a high-performance 51.2V 102Ah LiFePO4 lithium battery designed for reliable solar energy storage and backup power applications. With a 5.22kWh energy capacity, Grade A LiFePO4 cells, and an IP66 protection rating, it provides safe and durable performance. The battery supports flexible floor-standing or wall-mounted installation and can be expanded by connecting up to 15 batteries in parallel.