The cabinet adopts a slow-charge, fast-discharge model, storing electricity during off-peak or low-cost periods and releasing energy instantly when fast EV charging is required. This significantly reduces operational costs while delivering ultra-fast charging performance. Schedulable capacity assessment method for PV and storage. An accurate estimation of schedulable capacity (SC). The integrated photovoltaic, storage and charging system adopts a hybrid bus architecture. Photovoltaics, energy storage and charging are connected by a DC bus, the storage and charging efficiency are greatly improved compared with the traditional AC bus. Leveraging AI-driven optimization, VPP integration, and intelligent energy management platforms, we deliver safe, efficient, and scalable energy storage.