Battery Cartridge

Eaton Internal Replacement Battery Cartridge for Select 3kVA UPS Systems (744-A3122)

$710.90 Sale Save

Only 2 left in stock

UPS Replacement Battery Cartridge for Select Eaton 9PX and SmartOnline UPS Systems

The sealed lead acid (SLA) 744-A3122 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-A3122 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 Line-Interactive and Online UPS systems.

This UPS backup battery replacement is compatible with Eaton's 5PX3000RTG2, 5PX3000RTNG2, 5PX3000HRTG2, 5PX3000HRTNG2, 9PX3000RT, 9PX3000RTN, 9PX3000GRT, 9PX3000GLRT, Tripp Lite series SMART3000RM2U, SMART3000RM2UN, SMART3000RMXL2U, SU3000RTXLCD2U, and SU3000RTXLCD2UN UPS systems. 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.


  • Replacement battery backup for select Eaton 3kVA 5PX G2, Tripp Lite series SmartPro 3kVA; 9PX and Tripp Lite series SmartOnline UPS systems
  • Carefully screened and certified to restore UPS runtime to original specs
  • Leakproof internal battery cartridge requires no regular maintenance
  • Ships ready for immediate UPS installation to prevent downtime
UPC code 743172089786
Input phase Single-phase
Battery type Valve regulated lead acid (VRLA)
Battery replacement description Hot-swappable, user replaceable batteries. Re-use existing wiring harness.
Dimensions (HxWxD) 2.64 x 8.27 x 18.31 in
Weight 34.8 lbs
Operating temperature range 32° to 104°F (0° to 40°C)