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Rectangular 2U rack-mount battery module, matte black metal case, front handle, rear DC connectors

Eaton

Eaton 5PXEBM48RTG2 48V 2U External Battery Pack UPS

SKU CH-4MP3-422KP MPN 5PXEBM48RTG2

Adds extended runtime to compatible Eaton 5PX G2 UPS units, supports 2U rack or tower mounting and daisy-chains up to four packs

  • Extended runtime for compatible 5PX G2 UPS systems
  • 48V external battery module connects to select 5PX G2 units
  • Daisy-chain up to four packs for longer backup
  • Heavy-gauge cabling with high-current 48V DC connectors included
  • Supports 2U rack or tower installation with accessories

Extended Runtime Battery Module for 5PX G2 UPS

The Eaton 5PXEBM48RTG2 is a 48V external battery pack designed to extend the runtime of compatible Eaton 5PX G2 UPS systems. It connects to select 1000VA and 1500VA models to provide longer backup power for small business, education, retail, financial, or healthcare applications. This module is not for users who need a standalone UPS or a battery for non-Eaton systems.

Thermal and Power Characteristics

As a passive battery module, it generates no operational noise and draws no AC power during normal use. It relies entirely on the host UPS for charging and temperature management. The unit adds no active cooling requirements to the rack or tower environment. Buyers who need active power conditioning or surge protection without a UPS cannot use this product alone.

Daisy-Chain 48V DC Expansion Capability

The module includes heavy-gauge cabling with high-current 48V DC connectors and a daisy-chain port to support up to four matching battery packs for maximum runtime. It installs in 2U of space within a 19-inch rack or as an upright tower using included accessories. This is not for installations requiring voltage other than 48V DC or connectivity without a compatible 5PX G2 host.

Highlights

  • Extended runtime for compatible 5PX G2 UPS systems
  • 48V external battery module connects to select 5PX G2 units
  • Daisy-chain up to four packs for longer backup
  • Heavy-gauge cabling with high-current 48V DC connectors included
  • Supports 2U rack or tower installation with accessories

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 5PXEBM48RTG2 in a 19-inch rack and what step is often missed?

Mount the 2U module in an EIA-standard 19-inch rack using the included hardware, then connect the heavy-gauge 48V DC cable to the UPS daisy-chain port; the step often missed is securing the cable retention clips so the high-current connectors cannot vibrate loose.

What maintenance will the 48V battery pack need and when?

The sealed lead-acid cells inside the 5PXEBM48RTG2 typically require replacement every three to five years; plan a swap when the UPS runtime estimate drops noticeably or the self-test reports degraded capacity.

What is the first limit reached when daisy-chaining multiple packs under sustained load?

The UPS firmware allows a maximum of four matching 48V packs, so the daisy-chain limit of four modules is reached before cable ampacity or thermal constraints become an issue.

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