Add more runtime where it matters most. The CyberPower BP144VL2U01 external battery module is designed to expand backup capacity for compatible UPS deployments, helping keep servers, storage, and network gear online longer during utility interruptions. With 12 x 12 V / 9 Ah batteries arranged for a 144 V battery system, it is built for environments that need more than a basic battery swap. The 2U rack-mount form factor makes it straightforward to integrate beside the UPS in a standard rack, preserving layout discipline in dense IT spaces. That matters when uptime, cable management, and service access all have to stay under control. For teams protecting critical workloads, an external battery module can be the difference between a graceful shutdown and an abrupt outage. This module is a practical fit for infrastructure teams that want to extend runtime without replacing the UPS platform. It supports a more resilient power architecture while keeping the deployment familiar, serviceable, and aligned with enterprise rack standards.