Battery Enclosure with locking door and one shelf. Holds three group 31 or 27 sealed batteries per shelf side by side or two per shelf end to end. Also holds one 8D per shelf. Two cabinets can be stacked horizontal or vertical for expansion. Remove middle shelf for taller batteries. 2" knock outs on top and sides. Gray powder coated steel. Ships knocked down. Enclosure outside dimensions: 29" wide x 14.5" deep x 27.25" tall