Tripp Lite
1111 W. 35th Street
Chicago, IL 60609
+1 (773) 869-1776
+1 (773) 869-1329

Voltage Incompatibility

This product is not compatible with the voltage in your country. [MP004]

UPS Replacement Battery Cartridge for Tripp Lite SUTX20K or SUTX40K UPS, 48V

UPS backup battery replacement breathes new life into a Tripp Lite 3-phase UPS system suffering from expired or weak internal batteries.

  • Replacement battery cartridge for Tripp Lite SUTX20K or SUTX40K UPS
  • Carefully screened and certified to restore UPS runtime to original specs
  • Leakproof internal battery requires no regular maintenance
  • Each RBCSUTX contains 4x 12V 9Ah batteries
  • SUTX20K and SUTX40K require 20x RBCSUTX cartridges
  • 1-year limited warranty

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UPS Replacement Battery Cartridge for Tripp Lite SUTX20K and SUTX40K UPS Systems
This UPS backup battery replacement is carefully screened and certified to meet or exceed original specifications. The leakproof, no-maintenance RBCSUTX comes pre-assembled and pre-wired as four 12V 9Ah batteries for quick and easy installation in your SUTX20K or SUTX40K 3-phase UPS (20 RBCSUTX cartridges are required for each UPS). It functions within a wide range of operating temperatures. A sensor automatically informs the UPS that the battery has been replaced, so the UPS can reset the battery age.

System Requirements

Compatible with Tripp Lite SUTX20K and SUTX40K UPS systems

Package Includes

RBCSUTX UPS Battery Replacement (pre-assembled battery pack with four 12V 9Ah batteries) 


UPC Code037332211446
DC System Voltage (VDC)48
Typical Battery Lifespan3 to 5 years, depending on UPS operating conditions
Shipping Dimensions (hwd / in.)10.62 x 8.74 x 29.80
Unit Dimensions (hwd / in.)4.25 x 2.5 x 24.0
Product Warranty Period (U.S. & Canada)1-year limited warranty

Questions & Answers

More Q&As may be available on the RBCSUTX model support page.

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Mon - Fri 8 AM - 5:30 PM CST
+1 (773) 869-1776

Mon - Fri: 8 AM - 5:30 PM CST
+1 (773) 869-1234

Tripp Lite
1111 West 35th Street
Chicago, Illinois 60609
United States

+1 (773) 869-1111 Main
1 773.869.1329 Fax

Business Hours
8 AM - 5:30 PM CST

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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