The DEMUDA 120 kW/215 kWh high-voltage lithium-ion energy storage system combines a lithium iron phosphate (LiFePO₄) battery pack (768 V, 280 Ah) with an advanced battery management system (BMS) and power conversion system (PCS) to form a high-voltage commercial and industrial system. It supports seamless hybrid grid operation, enabling peak shaving, load shifting, backup power, and the integration of solar power. The system also features intelligent energy management features such as real-time monitoring and remote control, ensuring optimized operation and easy maintenance.