Eaton Internal Replacement Battery Cartridge (RBC) for Select 3kVA Line-Interactive & Online UPS Systems

Overview

The Eaton 744-A3122 is an internal replacement battery cartridge designed for select 3kVA line-interactive and online UPS systems. It serves as a critical component to restore and maintain backup power for Eaton’s 5PX and 9PX UPS models, as well as certain Tripp Lite systems. This battery cartridge features sealed lead acid technology, providing a leakproof and maintenance-free power source that supports reliable operation across a temperature range of 32°F to 104°F (0°C to 40°C).

With a lifespan of three to five years, it ensures your UPS system continues to deliver the runtime needed to protect your devices and data from unexpected outages, making it a practical choice for offices, data centers, and other environments where continuous uptime is vital.

Key features

• Pre-wired and hot-swappable design allows quick replacement without shutting down connected equipment, minimizing downtime.
• Sealed lead acid construction ensures leakproof and maintenance-free operation, simplifying upkeep and enhancing safety.
• Compatible with Eaton 5PX and 9PX UPS systems as well as select Tripp Lite models, offering versatile use across multiple UPS platforms.
• Restores the original runtime capacity of your UPS, helping maintain consistent power backup performance.
• Operates reliably within a broad temperature range, suitable for various installation environments.
• Designed to extend the service life of your UPS system, providing dependable power protection for three to five years.

Key specs

• Compatibility: Eaton 5PX and 9PX UPS systems, select Tripp Lite UPS models
• Battery type: sealed lead acid (SLA), leakproof and maintenance-free
• Operating temperature: 32°F to 104°F (0°C to 40°C)
• Dimensions: 2.64 x 8.27 x 18.31 inches
• Weight: 34.8 lbs
• Expected battery lifespan: 3 to 5 years

Installation and setup

The battery cartridge comes pre-wired and is designed for hot-swappable installation, allowing you to replace it quickly without powering down your UPS or connected devices. This feature is especially valuable in environments where uninterrupted power is critical, such as data centers or office setups. The straightforward installation process reduces maintenance time and helps maintain continuous operation.

Ideal uses and environments

This replacement battery cartridge fits well in professional settings that depend on reliable power backup, including small to medium-sized data centers, office IT rooms, and network closets. Its sealed lead acid design and temperature tolerance make it suitable for controlled indoor environments where maintaining uptime is essential. It is a strong choice for IT managers and facilities teams looking to extend the life of their Eaton or compatible UPS systems without compromising performance.