Greatone 520-0.25C Energy Storage System Specification

The Greatone 520-0.25C Energy Storage System, developed by Guangzhou Great Power Energy Technology Co., Ltd., is designed for grid-connected and off-grid operation. It plays a crucial role in smart grids by regulating power resources, balancing day-night and seasonal electricity demand, ensuring grid safety, and facilitating renewable energy integration. The system comprises four energy storage cabinets and one busbar cabinet, integrating battery clusters, high-voltage box, fire protection, liquid cooling system, PCS, BMS, and EMS. Key specifications include a rated energy of 2080 kWh, maximum depth of discharge up to 100%, rated voltage of 400 Vac, and charge/discharge power of 500 kW. Each storage cabinet features liquid cooling, 314Ah cells, 2P260S configuration, and a cycle life exceeding 8000 cycles at 25°C. The system supports CAN and Modbus TCP communication, with IP54 protection and bottom cable entry. It is suitable for applications requiring efficient energy storage, peak shaving, and grid stability enhancement.