Holds three group 31 or 27 sealed batteries per shelf side by side or two per shelf end to end. 2" knock outs on top and sides. Gray powder. The Maple Leaf Indoor Battery Cabinet serves as an essential monitoring system for residential, commercial, and utility solar power installations, designed to showcase LiFePO4 or Maple Leaf batteries. Its suitability for indoor use guarantees simple and organized installation, ensuring both time. Experience peak power and reliability with our Maple Leaf 12V 100AH Lithium Iron Phosphate Battery featuring Self-Heating technology. UL9540A & UL1973 Certified for safety, it's your trusted source of sustainable energy. Our team of experienced professionals is. Most industrial off-grid solar power sytems, such as those used in the oil & gas patch and in traffic control systems, use a battery or multiple batteries that need a place to live, sheltered from the elements and kept dry and secure. Designed for server rack batteries and solar power system batteries, this insulated outdoor battery cabinet ensures your energy. A solar battery cabinet is a critical component in any solar energy system, serving as a secure and controlled enclosure for storing energy storage batteries.