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Basic external battery enclosure houses extended battery modules for adding runtime to your Eaton 9PXM UPS system.

  • Ideal for IT applications requiring high capacity, high availability and longer runtime
  • Securely houses up to 24 9PXMBAT battery cartridges (2 cartridges per slot)
  • Supports up to 3 parallel battery cabinets for even more runtime
  • Compatible with floor installation or 21U rack mounting with optional accessory
  • Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases
  • 2-year limited warranty


12-Slot Battery Cabinet Gives Your 9PXM UPS System Extended Runtime
This external enclosure connects to a compatible Eaton 9PXM UPS system to provide long-lasting battery backup for colocation and edge data centers, as well as industrial/commercial applications, including retail, financial, government and education. In addition to battery backup and extended runtime, the 9PXM12SEBM can also connect in parallel configuration with up to two more cabinets for even longer extended-run operation.

Houses up to 24 Battery Cartridges
The 9PXM12SEBM accommodates up to 24 9PXMBAT battery cartridges (two per slot, sold separately). The valve regulated lead acid (VRLA) internal battery cartridges are hot-swappable, allowing you to install them without powering down any connected equipment.

Versatile Installation Options
You can install the 9PXM12SEBM in 21U of space in an EIA-standard 19-inch rack using the optional rackmount kit (9PXMRK2, sold separately). Leveling feet and a caster tray are included for secure floor installation.

TAA-Compliant for GSA Schedule Purchases
The 9PXM12SEBM is compliant with the Federal Trade Agreements Act (TAA), which makes it eligible for GSA (General Services Administration) Schedule and other federal procurement contracts.

Package Includes

  • 9PXM12SEBM 12-Slot Standard External Battery Cabinet
  • Battery cables
  • Owner's manual
TAA compliant RoHS compliant


UPC Code743172091413
Accessory TypeBattery Frame
Accessory ClassUPS Accessories
Input PhaseSingle-Phase
Battery TypeValve Regulated Lead Acid (VRLA)
Expandable RuntimeYes
DC System Voltage (VDC)120 per battery string
Battery Replacement DescriptionHot-swappable internal batteries and extended battery modules (EBMs)
Battery ManagementABM technology (3-stage charging extends battery service life by 50% and provides advance warning for battery replacement)
Primary Form FactorRackmount; Tower
Rack Height  21U
External Battery Pack Form FactorRack/Tower
Minimum Required Rack Depth (inches)38
Unit Dimensions (hwd / in.)36.500 x 17.500 x 34.500
Operating Temperature Range32° to 104°F (0° to 40°C)
Relative Humidity5-95% non-condensing
Product ComplianceRoHS; FCC (USA); Trade Agreements Act (TAA)
Product Warranty Period (U.S. & Canada)2-year limited warranty
Extended Service Plans


  • Service Part Number: 9SW5Y-18000BC
  • Expedited parts coverage for 5 years
  • Parts, electronics and UPS batteries coverage
  • Next business day shipping
  • Technical support


  • Service Part Number: WEBN75XX-18000BC
  • On-site parts and labor coverage for years 5
  • Parts, electronics and UPS batteries coverage
  • 24x7 on-site labor coverage, next-day response
  • Next-day shipping
  • Technical support

Questions & Answers


UPS Replacement Batteries

  Model Number Description
Eaton 9PXM Battery Module Hot-swap Modular for Online Double-Conversion UPS (two required per slot), TAA 9PXMBAT 9PXMBAT Eaton 9PXM Battery Module Hot-swap Modular for Online Double-Conversion UPS (two required per slot), TAA


  Model Number Description
Eaton 9PXM UPS Optional Battery Charger Module, 20A, TAA 9PXMCHGR 9PXMCHGR Eaton 9PXM UPS Optional Battery Charger Module, 20A, TAA

Need help with your purchase?
We're always available to help with questions, including product selection, sizing, installation and product customization. Call us at +1 773-869-1776 or email