The Vertiv Liebert VEBCLI-48VRT1U is a hot-swappable, Lithium-Ion UPS external battery cabinet designed for use with Vertiv Liebert GXT5 Lithium-Ion 1kVA to 3kVA Online UPS systems. Its new auto detection feature makes installation easy and fast ensuring the UPS configuration is complete and accurate for the solution installed. Power and communications ports allow up to 8 additional external battery cabinet units to power the UPS for extended runtime. The communications cable required between the UPS and External Battery Cabinet will automatically detect and update product runtimes accordingly.