Vertiv EXSV-EBC1 External Battery Cabinet, 37.5 Ah VRLA | UPS Battery

When your UPS needs more runtime, this external battery cabinet adds capacity without forcing a full system replacement. The Vertiv EXS external battery cabinet is built around a 37.5 Ah VRLA battery string, giving infrastructure teams a straightforward way to expand backup duration for protected loads. VRLA chemistry remains a proven choice for enterprise power systems because it is familiar to service teams, widely supported, and well suited to controlled indoor deployments. This cabinet is a practical option for environments that need dependable ride-through for servers, storage, network gear, or communications equipment during utility events and transfer windows. For buyers comparing battery expansion options, the value is in targeted runtime growth. Instead of oversizing the UPS, this cabinet lets you add the battery capacity you need while keeping the existing power architecture intact. That makes it a strong fit for data rooms, branch sites, and edge locations where uptime, serviceability, and budget discipline all matter.