Solar & UPS backup power system battery enclosures for off-grid or grid-connected solar systems. Our NEMA 3R Design Battery & Control Enclosures feature white. . Part Number: BBA-1M Manufacturer: OEM Material: Aluminum (Standard), Stainless Steel Available Finish: Mill (Standard), Powder Coat UL Approved: Yes NEMA Rating: 3R, 4, 4X Overall Dims (HxWxD – IN): 20. A poorly designed system can ruin your batteries. With built-in battery storage cases and integrated battery systems, our solutions meet the needs of industrial, utility, and off-grid energy. . Our containerized energy solution offers notable economic and practical advantages: Renewable energy systems are no longer permanent fixtures; they are now redeployable to cater to your evolving needs. solar arrays can swiftly retract into the container (protection mode) in anticipation of extreme. .