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Rectangular sealed lead-acid battery cartridge, grey plastic casing, 26.05 lbs

APC

APC APCRBC115 Replacement Battery Cartridge #115 accessory

SKU CH-K9F6-F3VHT MPN APCRBC115

Sealed lead-acid cartridge restores APC Smart-UPS SMX1500RM2U runtime with spill-proof, maintenance-free operation

  • Product typeBattery Unit
  • Compatible withAPC Smart-UPS SMX1500RM2U 1500 VA
  • Key featuresBattery Characteristics: Spill-proof / Maintenance-free Batt
  • Product weight26.05 lb (11.8 kg)

Model APCRBC115

  • Restores UPS to original specs with tested, certified compatibility
  • Spill-proof, maintenance-free sealed lead-acid design simplifies upkeep
  • 23 hour runtime at half load sustains critical equipment
  • 08 hour runtime at full load provides safe shutdown window
  • Fits APC Smart-UPS SMX1500RM2U 1500VA and related models

Direct replacement for SMX1500RM2U UPS

The APC APCRBC115 is a new sealed lead-acid battery cartridge designed to restore original runtime to compatible Smart-UPS units. It fits the SMX1500RM2U 1500VA model and related SKUs without modification. The spill-proof, maintenance-free construction allows safe handling during installation. This cartridge returns the UPS to factory backup specifications.

Suits administrators refreshing a single rackmount

IT teams responsible for one or two APC Smart-UPS SMX1500RM2U units will find this cartridge a direct fit. Environments that require extended runtime beyond the factory cell count should look at external battery packs instead. Buyers needing lithium chemistry or hot-swappable modules for a different UPS family will not be served by this part. The 26.05 lbs weight means one person can lift it, but plan for proper disposal of the old pack.

Delivers minutes of runtime under sustained load

At full load the cartridge provides 0.08 hour of backup, while half load yields 0.23 hour. These figures reflect continuous discharge until shutdown, not a brief surge capacity. Voltage remains stable through the discharge curve because the sealed lead-acid cells are matched to the UPS charger profile. Expect the same thermal behaviour as the original factory battery during prolonged outages.

How it compares

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

Price $336.99
Pricier than about 90% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameAPC
Model nameAPCRBC115
Product typeBattery Unit
Size & build
Product weight26.05 lb (11.8 kg)
Shipping weight12.00 kg
Package size551 × 297 × 188 mm
Compatibility
Compatible withAPC Smart-UPS SMX1500RM2U 1500 VA

Other versions of this model

2 more in the same range

Questions about this item

Which UPS models work with the APCRBC115 cartridge?

The cartridge fits APC Smart-UPS SMX1500RM2U 1500VA units and the listed variants SMX1500RM2UNC, SMX1500RMNCUS and SMX1500RMUS.

Will the sealed lead-acid chemistry match the original batteries in my SMX1500RM2U?

Yes, the replacement uses the same sealed lead-acid chemistry and spill-proof, maintenance-free design as the factory cells.

What run-time should I expect after installing the new cartridge?

At half load the UPS delivers about .23 hour and at full load about .08 hour, matching the original specifications.

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