Eaton RBC94-3U 3U UPS Battery Cartridge 48V DC

Overview :

The Eaton RBC94-3U is a replacement battery cartridge designed for maintaining runtime performance in compatible UPS systems. It is deployed by IT engineers and infrastructure teams responsible for ensuring continuous power availability in rack-mounted UPS installations where battery degradation impacts uptime.

This cartridge provides a 48V DC battery system composed of multiple sealed lead-acid (SLA) batteries arranged in a pre-assembled pack. It is delivered fully wired and ready for installation, minimizing downtime during battery replacement cycles. The maintenance-free design eliminates the need for electrolyte servicing while supporting consistent discharge performance.

In deployment, the RBC94-3U is used within 3U rack-mounted UPS systems, particularly in mid-range power environments such as IDF closets, branch offices, and edge racks. It restores UPS runtime capacity to original specifications, making it critical for maintaining power redundancy in network, storage, and server infrastructure.

The cartridge is compatible with specific Eaton / Tripp Lite UPS models, including SMART5000TEL3U, SMART5000XFMRXL, and SMX5000XLRT3U systems. It integrates directly into the UPS battery bay without requiring modification, supporting hot-swappable or scheduled maintenance replacement depending on the UPS design.

A practical deployment example includes replacing aging batteries in a 5kVA rack UPS supporting network switches and storage arrays in a branch office. Installing the RBC94-3U restores expected runtime during outages without replacing the entire UPS system, maintaining operational continuity.

This cartridge should not be used outside supported UPS models or in applications requiring extended runtime beyond the UPS design limits. It is also not suitable for environments requiring lithium-ion battery systems or high-cycle applications where SLA battery limitations (3–5 year lifespan) are not acceptable.

Key Features

• 48V DC battery pack for 3U UPS systems
• Pre-assembled cartridge for fast replacement cycles
• Sealed lead-acid design with no maintenance required
• Compatible with select 5kVA rack/tower UPS models
• Restores original UPS runtime performance capacity