Eaton 

Eaton 744-A4311 RPLMNT BAT PK 9SX

Mfg Part Number:  744-A4311  
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Price: $548.07
Quantity:
In Stock: 9
Last Updated: Feb 22, 2026
No Sales Tax except these states
, PO and Wire.

UPS Replacement Battery Cartridge for Select Eaton 5P UPS System

This UPS backup battery replacement is compatible with Eaton's 5P750RC UPS system. Eaton UPS batteries have an expected lifespan of three to five years, so you should take proactive steps to avoid a dead battery and ensure continuous uptime.

Comes Pre-Wired for Quick, Easy Installation

The sealed lead acid (SLA) 744-A4058 internal battery cartridge is hot-swappable, allowing you to install it without powering down any connected equipment. Built to function in a wide range of operating temperatures, the 744-A4058 has been carefully screened and certified to restore your UPS system's runtime performance to its original specifications. It is leakproof, requires no maintenance and comes pre-wired for quick and easy installation in your 5P UPS system.

Main Specification
General Information
Manufacturer Eaton Corporation
Manufacturer Part Number 744-A4311
Manufacturer Website Address http://www.eaton.com
Brand Name Eaton
Product Series RBC
Product Model 744-A4311
Product Name Internal Replacement Battery Cartridge (RBC) for 9SX1000, 9SX1000G UPS System
Packaged Quantity 1
Product Type UPS Battery Pack
Technical Information
Battery Characteristics Valve-regulated
Battery Chemistry Lead Acid
Hot Swappable Yes
Physical Characteristics
Height 5.7"
Width 16.4"
Depth 16.9"
Weight (Approximate) 18.90 lb
Miscellaneous
Compatibility

Eaton UPSes

  • 9SX1000
  • 9SX1000G


Energy Star No
Country of Origin Philippines
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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