The 1MW 2MWh AC Coupling Energy Storage System is a utility-scale solution designed for grid-connected and renewable energy applications. Using advanced lithium battery technology and a high-efficiency power conversion system, it enables peak shaving, load shifting, and stable power regulation for large-scale energy projects. Designed for seamless integration with existing solar or wind power plants, this AC-coupled system is ideal for retrofit and capacity expansion. Its modular and scalable design supports flexible deployment in utility-scale power stations, commercial and industrial microgrids, and renewable energy integration projects, ensuring long-term reliability and optimized energy management.