This project is our small solar power systems kits designed for customers in mainland China. Its overall design is based on the system architecture of Octagon S300 modular cabinet, which has been simplified to a certain extent. It also includes POE Switch, LTE Router, System Monitoring and other functions. As a small solar power systems kits, the system includes solar controller 500W, battery and solar panel. We will calculate according to the needs of customers and configure relevant components for customers.