Midnite's MNBE-8D2x2 Deluxe battery enclosure comes with a locking door and a single shelf and this Deluxe version also includes a 250 amp battery breaker, (2) #4/0 AWG 12" battery interconnect cables and a single 36" #4/0 battery cable. This is an indoor-rated enclosure, however Midnite builds these to Nema 3R specifications with power coated aluminum and stainless steel hardware. The enclosure includes a 250 amp battery breaker and has space for 4 smaller panel mount breakers (1 to 100 amps available.) This enclosure is designed to fit (4) group 8D batteries such as UPGs UB-8D battery.