BP240V10RT3U rack/tower external battery pack offers extended battery runtime when used in conjunction with expandable 240V rack-mount and tower UPS systems. Includes heavy-gauge cabling with high-current DC connector for safe, simple installation. Included daisy-chain connector enables the connection of additional compatible 240V external battery packs to the host UPS. Included mounting accessories support 3U rack-mount installation in 4-post racks. Options for 2-post center-mounting and upright tower installation available.Compatible with SU6000RT3U, SU6000RT3UHV, SU8000RT3U, SU8000RT3U1TF, SU8000RT3UG, SU8000RT3UHW, SU8000RT3UN50, SU8000RT3UN50TF, SU10000RT3U, SU10000RT3U2TF, SU10000RT3UG, SU10KRT3U, SU10KRT3UHV, SU10K3/1INTPM, SU16KRT, SU16KRT-1TF, SU16KRT8, SU16KRTG, SU16KRTHW, SU20KRT, SU20KRT-1TF, SU20KRT8, SU20KRTG, SU20KRTHW and other UPS systems that specify the use of this battery pack.