Eaton 9PXEBM36RT – Extended Battery Module 36V

Overview

The Eaton 9PXEBM36RT is an extended battery module (EBM) designed to increase runtime for compatible Eaton 9PX UPS systems. It is deployed by infrastructure engineers to extend backup duration during utility outages without altering the UPS power capacity. The module connects directly to the UPS DC bus, enabling longer operational windows for controlled shutdown or continued service availability.

This unit provides a 36V DC battery system using sealed lead-acid (VRLA) batteries. It is specifically designed for use with Eaton 9PX700RT and 9PX1000RT UPS models, delivering scalable runtime expansion depending on load conditions. The module supports daisy-chaining of up to four EBMs, allowing incremental runtime extension for longer outage scenarios.

The 9PXEBM36RT is built in a 2U rack/tower convertible form factor, allowing deployment in standard 19-inch racks or as a tower unit in space-constrained environments. It is typically installed in small data centers, network closets, and edge locations where runtime requirements exceed the internal battery capacity of the UPS. The compact footprint aligns with rack-based power infrastructure designs.

The module integrates directly with Eaton 9PX UPS systems using high-current DC connectors and pre-configured cabling. It operates within the UPS battery management framework, including Eaton’s ABM charging technology, which optimizes battery life and provides predictive maintenance alerts. The unit is designed to function within standard single-phase IT power environments.

In a practical deployment, the 9PXEBM36RT is installed beneath a 9PX1000RT UPS in a rack supporting network switches and firewall appliances. During a power outage, the additional battery capacity extends runtime from minutes to extended durations, enabling full system shutdown or continued operation until generator backup is available.

This module should not be used as a standalone power source or with unsupported UPS models. It does not increase the VA/W capacity of the UPS and is not suitable for environments requiring higher power output rather than extended runtime.

Key Features

• 36V DC battery module for extended UPS runtime
• Supports up to four modules for scalable backup duration
• 2U rack/tower convertible design for flexible deployment
• VRLA sealed batteries for maintenance-free operation
• High-current DC connectors for direct UPS integration