The Vertiv Liebert GXT5-EBC192VRT3U is an external hot-swappable, lead-acid UPS battery cabinet designed for use with these UPS models: Liebert GXT5-5000IRT5UXLE , Liebert GXT5-6000IRT5UXLE, Liebert GXT5-8000IRT5UXLE, and Liebert GXT5-10KIRT5UXLE. Its new auto detection feature makes installation easy and fast ensuring the UPS configuration is complete and accurate. Users can connect to up to 10 external battery cabinets to a single UPS for extended runtime