Eaton Pw9155 External Battery Module – Extend UPS Runtime with Reliable Power

The Eaton Pw9155 External Battery Module is designed to maximize uptime for your critical equipment by adding scalable, maintenance-free power to your existing UPS. Built for performance and cost efficiency, this module delivers extended runtime when it matters most, so you can protect sensitive data, meet service-level agreements, and avoid costly outages. With smart design and rugged construction, the Pw9155 complements Eaton’s trusted UPS platforms, ensuring your system remains resilient even in demanding environments.

• Extended runtime for critical loads: By increasing the total available watt-hours, the Pw9155 lets your connected devices operate longer during extended outages, giving you more time to save work, gracefully shut down, or switch to backup power calmly.
• Seamless plug-and-play integration: The external battery module is engineered for easy setup with compatible Eaton UPS units. Connect, configure, and begin charging without complex tools or lengthy downtime, keeping business operations uninterrupted.
• Cost-efficient power per watt-hour: The Pw9155 delivers competitive pricing for high-quality energy storage, helping you optimize total cost of ownership while preserving battery life and reliability for the long term.
• Scalable protection for growing needs: Designed to work alongside existing battery systems, this module supports modular expansion, enabling you to tailor runtime to changing workloads and peak demand periods.
• Reliable performance and safety: Built with durable construction and safety features, the Pw9155 ensures dependable operation in data centers, offices, and industrial settings where uptime is non-negotiable.

Technical Details of Eaton Pw9155 External Battery Module

• Model: Pw9155 External Battery Module
• Type: External battery extension designed to pair with compatible Eaton UPS systems
• Battery chemistry: Maintenance-free, sealed battery technology selected for reliability and long life
• Compatibility: Designed to integrate with select Eaton UPS models that support external battery modules
• Form factor: External unit that connects to the UPS without occupying internal bays
• Estimated runtime impact: Increases runtime proportionally to added watt-hours based on connected load
• Operating environment: Built to endure typical data center and office conditions with appropriate ventilation
• Warranty: Supported by Eaton’s warranty program for extended reliability

How to install Eaton Pw9155 External Battery Module

• Power down the UPS and disconnect from all power sources to ensure safe handling during installation.
• Place the Pw9155 in a well-ventilated area with adequate clearance for airflow and heat dissipation.
• Connect the external battery module to the UPS using the designated detachable interface cable or backplane, following the user manual for the correct port and orientation.
• Secure the connection and power up the UPS to begin the battery integration sequence; allow the module to begin charging automatically.
• Use the UPS management software or front-panel indicators to verify the Pw9155 is recognized and charging is active.
• Configure runtime targets and notification thresholds in the UPS management system to optimize outage readiness and alarms.
• Test the system by simulating a power interruption to confirm proper transfer to external power and expected runtime behavior.

Frequently asked questions

Q: What is the Eaton Pw9155 External Battery Module used for?
A: It is designed to extend the runtime of compatible Eaton UPS systems by adding external battery capacity, enabling longer graceful downtime and protection for critical loads.

Q: Is the Pw9155 compatible with all Eaton UPS models?
A: Compatibility is limited to UPS models that support external battery modules. Check your UPS documentation or consult Eaton’s compatibility matrix to confirm support for this specific module.

Q: How does external battery capacity affect total cost of ownership?
A: By providing additional runtime at a lower cost per watt-hour compared to upgrading to a higher-capacity internal battery, the Pw9155 can lower long-term energy reliability costs while preserving performance and lifespan.

Q: Can I add more than one Pw9155 module?
A: Yes, many Eaton UPS configurations allow multiple external battery modules to scale total runtime, subject to the UPS model’s supported maximum external battery capacity.

Q: How do I know when the external battery needs replacement?
A: The UPS management software will report battery health, charge status, and estimated remaining runtime. Periodic battery health checks and notifications guide replacement timing for uninterrupted protection.

Q: Are Pw9155 batteries hot-swappable?
A: External battery modules are designed for integration with the UPS system in a manner that minimizes downtime. Specific hot-swappability depends on the UPS model and management features; consult the user manual for your setup.