Eaton RBC58-2U – 48VDC UPS Replacement Battery Cartridge

Product Overview

The Eaton RBC58-2U is a 48VDC replacement battery cartridge engineered for select 2U rack-mount UPS systems, including the SmartPro RMXL2U series. It restores backup runtime on aging commercial UPS units without requiring a full system swap, making it a standard maintenance item for data center and network closet deployments. Integrators and facilities teams use the RBC58-2U to keep rack-mounted power protection compliant with manufacturer specifications during scheduled UPS battery replacement cycles. Each cartridge ships pre-wired and ready for tool-minimal installation in the field.

Product Description

The RBC58-2U replacement battery cartridge is built for commercial-grade UPS systems that rely on a 48VDC battery bank to sustain critical loads during a power event. It ships as two cartridges, each containing four pre-wired 12V, 5AH sealed lead-acid batteries, for a total of eight batteries configured to deliver 48VDC output. This modular design lets a technician pull and replace battery cartridges without disassembling the UPS chassis, which shortens maintenance windows in network closets, server rooms, and data center racks where uptime matters.

The cartridge is a direct-fit replacement for the SMART3000RMXL2U and other compatible 2U rack-mount UPS systems from Eaton and Tripp Lite, so integrators should confirm exact model compatibility against the manufacturer's compatibility matrix before ordering. Expected service life runs 3 to 5 years depending on operating temperature, load, and discharge cycles, which is typical for maintenance-free, spill-proof battery packs installed in commercial-grade rack environments. Because the batteries arrive pre-assembled and wired, on-site installation is limited to sliding the cartridge into the UPS bay and reconnecting the battery harness, which keeps UPS battery replacement labor to a minimum during a commercial deployment. Facilities managers responsible for network closet and data center uptime typically schedule this replacement proactively, ahead of a UPS self-test failure, rather than reactively after an outage.

Key Features

• 48VDC Output Configuration — Two cartridges of four pre-wired 12V, 5AH batteries deliver the 48VDC required by compatible 2U rack-mount UPS systems.
• Tool-Minimal Cartridge Replacement — Pre-wired battery cartridges slide into the UPS bay, reducing on-site labor during scheduled UPS battery replacement.
• Maintenance-Free, Spill-Proof Design — Sealed lead-acid construction eliminates routine fluid checks, suited to unattended network closet and data center installs.
• Direct-Fit Compatibility — Matches the SMART3000RMXL2U and other select Eaton/Tripp Lite 2U rack-mount UPS systems.
• Commercial-Grade Service Life — Rated for 3 to 5 years of service depending on operating conditions, supporting predictable UPS battery replacement planning.
• Wide Humidity Tolerance — Operates across a 0-95% non-condensing humidity range, suited to varied server room and data center environments.

Typical Applications

• Data center power racks requiring scheduled UPS battery replacement
• Network closets supporting commercial IT infrastructure
• Server rooms with rack-mounted 2U UPS systems
• Government space IT racks requiring predictable maintenance cycles

Technical Specifications

Frequently Asked Questions

Is the RBC58-2U compatible with my UPS model?
The RBC58-2U is a direct-fit replacement for the SMART3000RMXL2U and select other 2U rack-mount UPS systems. Confirm your exact model against the manufacturer's compatibility matrix before ordering, since battery cartridges are model-specific.

Do I need an electrician to install this cartridge?
No. The batteries arrive pre-wired inside each cartridge, so installation is limited to removing the old cartridge, sliding in the new one, and reconnecting the battery harness. Most facilities or IT staff can complete the swap without a licensed electrician.

How many cartridges come in one order?
One RBC58-2U order includes two cartridges, each with four pre-wired 12V, 5AH batteries, for a total of eight batteries providing 48VDC output.

How often should this battery cartridge be replaced?
Expected service life is 3 to 5 years, depending on operating temperature, load, and discharge cycles. Data centers and server rooms with higher ambient temperatures may see shorter service life.

What warranty applies to the RBC58-2U?
Eaton/Tripp Lite covers the RBC58-2U with an 18-month limited warranty in the U.S. and Canada, and a 1-year warranty in other regions.

Can this cartridge be hot-swapped without shutting down connected equipment?
Many 2U rack-mount UPS systems support hot-swappable battery replacement, but this depends on the specific UPS model and its configuration. Confirm hot-swap capability with your UPS documentation before performing the replacement on a live system.

Does Creation Networks support bulk orders for multi-rack data center deployments?
Yes. Contact our support team for volume pricing and lead-time confirmation when replacing battery cartridges across multiple UPS units in a data center or network closet rollout.