SigenStor is a residential energy-storage system integrating a PV inverter, modular batteries, and a DC fast-charging controller in one sleek, modern design. It also provides DC-EV charging technology, aiming to provide users with stable, efficient, and economical energy-storage solutions. The modular design makes it easy for homeowners to customize the system to suit their consumption needs. The smart energy-management system maximizes the capture of solar energy and optimizes the home energy-consumption strategy. The design of the Alps Max incorporates the simplicity of product installation, the friendliness of user operation, and a minimalist aesthetic.