Durable waterproof sheet metal cabinets for lithium battery and solar storage systems. Customized design, weather protection, CNC cutouts, and fast delivery. Engineered for use with most type of battery terminal models, these cabinets can fit a wide variety of applications. This solution is completely customizable and flexible to support your application requirement. Who is. AZE's outdoor battery cabinet protects contents from harmful outdoor elements such as rain, snow, dust, external heat, etc. They are made of galvanized steel, stainless steel or aluminum with heat insulation material. Machan offers comprehensive solutions for the manufacture of energy storage enclosures. Battery Energy Storage Enclosures: Safe, Reliable, and Scalable Solutions Battery Energy Storage Enclosures (BESS.