Charles CUBE Site Support Cabinets allow providers to install highly efficient rectifiers and the latest in battery technologies in durable, robust and GR-487 compliant padmount enclosures. With support for VRLA or Ni-Cd batteries, various rectifier and power distribution options, and thermal management options; Charles' small, medium and large site support cabinets protect network integrity with an environmentally friendly, energy efficient solution. Large Site Support Cabinet solutions are part of Charles' Macro Site solutions set, combining with CUBE padmount (PM) and battery backup (BB) cabinets to form a complete site solution. Charles can also create custom designs that integrate specific power solutions, call for details. CUBE Site Support Cabinets are seismic Zone 4 rated.