A robust, lightweight and modular cover for the SigenStack energy storage system to protect battery modules and controllers. IP66 provides full dust and water resistance, making it suitable for indoor and outdoor use in industrial or commercial spaces. Made of corrosion-resistant, mechanically robust materials; the stackable design allows for rapid expansion of the capacity and easy installation and transport. Fire-resistant materials and reinforced ventilation reduce the risk of overheating and fire, prolonging the life of the system.