A photovoltaic-plus-storage integrated system is an intelligent device that seamlessly combines photovoltaic power generation, energy storage, power inversion, and smart energy management capabilities. By converting solar energy into electricity and storing it for use during periods of low sunlight, the system enables households and businesses to generate and consume their own clean energy. This fosters greater energy independence and self-sufficiency, while a smart control system simultaneously maximizes the efficiency of solar energy utilization. Widely deployed across residential, commercial, and industrial sectors, this device effectively reduces electricity costs and provides users with a more stable and eco-friendly energy solution.