Vertiv GXT5-EBC48VRT2U Liebert External Battery Cabinet
The Vertiv GXT5-EBC48VRT2U extends runtime for Liebert GXT5-1500LVRT2UXL and GXT5-2000LVRT2UXL UPS systems in rack-dense IT environments where extended backup time is mission-critical. This 2U rackmount cabinet houses eight valve-regulated lead-acid cells configured for 48V DC input, integrates via auto-detection with no manual configuration, and supports daisy-chaining up to six additional cabinets for scalable runtime protection. Hot-swappable design eliminates downtime during battery replacement, while UL 1778 4th edition and CSA 22.2 No. 107.1 certification meets North American safety requirements for data centers, network closets, and edge compute installations.
Key Features
- Auto-detection integration with GXT5-1500LVRT2UXL and GXT5-2000LVRT2UXL UPS systems — no manual configuration or DIP switches required
- Hot-swappable battery replacement maintains UPS protection during cell servicing — zero interruption to protected loads
- Daisy-chain up to 6 external cabinets per UPS for scalable runtime extension from minutes to hours
- 2U rackmount form factor (3.4" H × 16.9" W × 18.6" D) fits standard 19-inch racks alongside UPS and network infrastructure
- Valve-regulated lead-acid (VRLA) battery chemistry — non-spillable, maintenance-free operation with proven reliability
- UL 1778 4th edition and CSA 22.2 No. 107.1 certified for North American datacenter deployment
- Two-year advanced replacement warranty with full factory coverage
The GXT5-EBC48VRT2U eliminates the guesswork in runtime extension. The cabinet's auto-detection protocol communicates battery capacity and health status to the connected GXT5 UPS via integrated power and communications ports — the UPS firmware automatically adjusts runtime calculations and battery management parameters. Each cabinet contributes eight 12V 9.0Ah cells (2 strings × 4 cells per string) for a total 48V DC bank, directly matching the GXT5-1500/2000 series input voltage. When a cell approaches end-of-life, the hot-swap design allows field replacement without transferring the load to utility power or shutting down protected equipment — slide out the battery tray, swap the affected cell, and the UPS seamlessly integrates the fresh capacity.
In server rooms and network closets where runtime requirements vary by criticality tier, the modular approach lets you assign extended backup to Tier 1 loads while leaving Tier 2 systems on base UPS runtime. A single GXT5-1500LVRT2UXL with one external cabinet typically delivers 20–30 minutes at full load; adding a second or third cabinet pushes runtime into the 45–90 minute range, sufficient for generator startup or graceful VM migration in most enterprise environments. The 2U height preserves rack real estate — a GXT5 UPS (2U) plus two battery cabinets (4U total) occupies just 6U, leaving room for switches, patch panels, and compute in constrained edge locations. Rack ears support standard square-hole or round-hole racks; depth is 18.6 inches, compatible with most modern network racks without requiring rail extensions.
Operating range of 32–104°F accommodates non-climate-controlled spaces common in retail back rooms, warehouse IT closets, and industrial control environments. Weight is 57.3 lbs fully loaded — verify rack load capacity when stacking multiple cabinets, and distribute weight across available rack positions to maintain front-to-back balance. This cabinet addresses the deployment gap between base UPS runtime (typically 5–10 minutes) and generator cut-in or orderly shutdown windows, giving integrators a field-proven path to meet SLA requirements without over-provisioning UPS capacity or relying on oversized single-box solutions that waste capital and rack space.
