Little Sun is an intelligent management system based on cloud computing and big data technology, designed to meet the needs of efficient operation and maintenance, optimized scheduling and real-time monitoring of power system energy storage equipment. With the rapid development of renewable energy, the scarcity of flexible resources in the power system has become increasingly prominent, and the value of energy storage in the power system has gradually increased. This platform aims to provide users with efficient, stable and economical energy storage services through integrated management and intelligent analysis.