PowerShield PSRTBB12 Battery Module — 2U 12-Cell UPS

The PowerShield PSRTBB12 Extended Battery Module is a professional-grade 2U rack-mountable battery expansion unit designed to significantly extend runtime for PowerShield PSCRT3000, PSCERT2000, and PSCERT3000 UPS systems. Housing 12 high-capacity batteries in a robust chassis, this module provides critical backup power extension for network infrastructure, ensuring your UniFi ecosystem and other essential equipment remain operational during extended outages or power fluctuations.

• Extended runtime capability – 12 batteries substantially increase backup power duration for compatible UPS units
• Professional 2U design – compact 600 × 438 × 88 mm form factor integrates seamlessly into standard server racks
• Hot-swappable compatibility – works with multiple PowerShield UPS models for flexible deployment options
• Enhanced reliability – distributes power load across additional cells for improved system resilience

For businesses and IT professionals running mission-critical UniFi deployments, this battery module delivers peace of mind through extended uptime protection. Whether you’re safeguarding a multi-site UniFi network controller, protecting PoE-powered access points and cameras, or ensuring NVR recording continuity, the additional runtime provided by this 42.7 kg industrial-grade module can mean the difference between maintained operations and costly downtime. The substantial capacity makes it ideal for environments where power stability is uncertain or where graceful shutdown procedures require extended backup windows.