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Rectangular black 12V lead-acid UPS battery pack with four cells and terminal connections

Battery Technology Inc.

Battery Technology Inc. APCRBC157-TAA 12V 4-Cell Lead Acid UPS Replacement Battery

SKU CH-C8W6-VEKWM

12V 4-cell lead-acid replacement battery for compatible UPS units, TAA-compliant

  • TAA-compliant for regulated deployments
  • 12 V sealed lead-acid chemistry powers compatible UPS units
  • Four-cell pack replaces APCRBC157 and RBC157 cartridges
  • Fits SMT1000RM2UC and SMT1000RMI2UC rack-mount models
  • Two-year manufacturer warranty backs the replacement

TAA-Compliant 12V 4-Cell Lead Acid UPS Battery

The APCRBC157-TAA is a new 12V 4-cell sealed lead-acid replacement battery built to TAA compliance. It fits APC Smart-UPS models such as the SMT1000RM2UC and SMT1000RMI2UC. This unit serves data-centre managers and IT teams who must maintain approved procurement lists.

Steady Runtime Under Continuous Load

The sealed lead-acid chemistry delivers consistent voltage during extended discharge rather than only in brief bursts. This behaviour keeps connected servers and network gear running predictably through prolonged utility outages. The two-year warranty period reflects the manufacturer's confidence in sustained cycle life.

Direct Replacement for APCRBC157 and RBC157

This battery replaces the APCRBC157 and RBC157 part numbers without adapter cables or firmware changes. The upgrade is worthwhile when existing packs no longer hold sufficient charge for the required runtime window. It is not suited for installations that demand higher voltage strings or lithium-based chemistry.

Highlights

  • TAA-compliant for regulated deployments
  • 12 V sealed lead-acid chemistry powers compatible UPS units
  • Four-cell pack replaces APCRBC157 and RBC157 cartridges
  • Fits SMT1000RM2UC and SMT1000RMI2UC rack-mount models
  • Two-year manufacturer warranty backs the replacement

Specifications

No published specifications for this item yet.

Questions about this item

Does the 12 V lead-acid pack generate noticeable heat or fan noise when the UPS runs continuously?

The sealed lead-acid cells produce only modest warmth under load and have no moving parts, so they add no audible noise to the UPS.

Which connectors or cables must I already have to install this RBC157 pack in my UPS?

The battery uses the standard APC RBC connector; you only need the existing harness inside the SMT1000RM2UC or SMT1000RMI2UC chassis.

Will this replacement work in an older Smart-UPS 1000 that still uses the original APCRBC157 cartridge?

Yes, it is a direct drop-in for the APCRBC157 cartridge used in those 1000 VA rack-mount units.

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