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Rectangular sealed lead-acid battery pack with terminal connectors

Battery Technology Inc.

Battery Technology Inc. RBC43-SLA43-TAA 12V 8-Cell UPS Replacement Battery

SKU CH-B4W4-0ACR6 MPN RBC43-SLA43-TAA

A 12 V, eight-cell lead-acid pack that replaces the RBC43 in compatible Smart-UPS RM units and meets TAA requirements

  • Product typeBattery
  • Compatible with APC Smart-UPS RM 2200VA models
  • Compatible with APC Smart-UPS RM 3000VA models
  • TAA compliant for government procurement
  • 12V 8-cell lead acid construction
  • Direct replacement for RBC43 part number

Direct RBC43 replacement

This 12 V lead-acid pack contains eight cells and is built to TAA standards. It fits the UPS units listed in the manufacturer highlights without modification. Buyers who need a different voltage or a lithium chemistry will not find it suitable.

Sustained discharge behaviour

The battery delivers steady 12 V output during extended runtime events typical of 2200 and 3000 class rack-mount UPS models. Capacity holds through repeated deep cycles when the charging circuit follows the original specification. Units kept in high-temperature racks will see shorter service life than those in climate-controlled rooms.

Installation notes

Slide the pack into the front-access tray, connect the two leads observing polarity, and secure the retaining strap. The most common error is reversing the red and black connectors, which triggers an immediate fault alarm. No firmware update or calibration routine is required after replacement.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $398.99
Pricier than about 90% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameBattery Technology Inc.
Model nameRBC43-SLA43-TAA
Part numberRBC43-SLA43-TAA
Product typeBattery
Size & build
Shipping weight17.51 kg
Package size692 × 337 × 244 mm

Questions about this item

Does the 12V 8-cell lead-acid design generate noticeable heat or noise when the UPS runs continuously?

The sealed lead-acid cells operate silently and produce only modest warmth during normal float charge; no fan or moving parts are present.

Which specific UPS models must I already own for this RBC43-SLA43-TAA pack to be a direct drop-in replacement?

It replaces the APC RBC43 cartridge and fits Smart-UPS RM models SMT2200R2X106, SMT2200R2X180, SMT2200RM2U, SMT2200RMUS, SMT3000R2I-6W, DLA2200RM2U and DLA3000RM2U.

Will the TAA-compliant 12V pack work reliably alongside older APC Smart-UPS RM units that have been in service for several years?

Yes — the voltage, capacity and physical layout match the original RBC43 specification, so aged UPS chassis accept it without firmware changes or wiring adapters.

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