The CyberPower BCT6L9N225 3-Phase Modular UPS Battery Cabinet can hold up to 12 battery modules (BM120V30ATY). These 6-layer units can be configured as stand-alone cabinets, rack mounted, or stacked with another component of our modular UPS system. Includes a One-Year Limited Warranty.Smart Battery MangementImproves and extends the functional life of a UPS battery and reduces excessive heat during work cycles by using a three-cycle charging process.Expandable RuntimeAdditional battery modules in BCT3L9N125 cabinets will increase runtimes.Hot-Swappable BatteriesKeeps equipment running by eliminating downtime during UPS power maintenance.Customizable ConfigurationThe customizable modular design can be configured as a tower, side-by-side, or integrated within a rack.