Abstract: A housing includes a plurality of subassemblies. At least one subassembly of the plurality of subassemblies includes a lower structure extending in a first direction and configured to support one or more batteries, an upper structure extending in the first direction and spaced apart from the lower structure by a vertical distance, and one or more vertical posts attached to the lower structure, the one or more vertical posts connecting the lower structure with the upper structure. The housing further includes a plurality of intermediate panels located between the one or more vertical posts, the plurality of intermediate panels extending in a vertical direction between the lower structure and the upper structure, wherein a battery of the one or more batteries is attached to the lower structure and at least two intermediate panels of the plurality of intermediate panels. The housing also includes a lateral brace attached to and connecting the multiple subassemblies.