Tripp Lite's BP192V12-3U rack/tower external battery pack offers extended battery runtime when used in conjunction with compatible Tripp Lite UPS systems. Multi-use form factor supports configuration in rackmount or stacking applications using only 3 rack spaces (3U). Upright tower configuration supported with optional 2-9USTAND accessories. Includes heavy-gauge cabling with high-current DC connectors for simple installation. Additional output connector allows multiple BP192V12-3U battery packs to be daisy-chained to the UPS for even longer extended run operation.