The industrial and commercial liquid-cooled energy storage system is an integrated product mainly developed for industrial and commercial customers, integrating the battery system, EMS system, PCS system, liquid-cooling system and fire protection system with a high degree of integration. It adopts modularized design concept, which is convenient for installation and maintenance, and can meet various application scenarios such as dynamic expansion of power supply, peak shaving and valley filling, peak and valley arbitrage, and power limitation support.