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Two sealed 12 V lead-acid battery cartridges in a cardboard box

PowerWarehouse

PowerWarehouse 2XRBC12SLA1217 ups replacement battery 2 pack

SKU CH-AVPW-4A9SR

Two 12 V lead-acid batteries replace cartridge #12 in APC SU3000R3BX120 UPS units

  • Compatible withFits: APC SU3000R3BX120
  • 12 V lead-acid chemistry provides reliable standby power
  • Two-battery pack restores full runtime for APC SU3000R3BX120
  • 100 % compatibility guaranteed with original equipment cartridge #12
  • One-year replacement warranty backs every unit

Direct replacement for APC SU3000R3BX120

This PowerWarehouse 2XRBC12SLA1217 pack contains two 12V lead-acid cartridges built to fit the APC SU3000R3BX120 UPS. The batteries are guaranteed to be 100% compatible with the original equipment. They arrive new and ready to install without modification.

Sustained runtime for critical loads

Under continuous discharge the lead-acid chemistry delivers stable voltage until the cells reach their cutoff point. The dual-cartridge design restores the full 3000 VA runtime profile of the host UPS. Units that need longer autonomy or a different form factor will not be served by this kit.

How it compares

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

Price $343.99
Pricier than about 90% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC12SLA1217
Compatibility
Compatible withFits: APC SU3000R3BX120

Questions about this item

How much heat does the 12 V lead-acid cartridge generate when the SU3000R3BX120 runs continuously?

The sealed 12 V lead-acid cells produce minimal heat during normal float charging; the UPS chassis handles any warmth through its existing ventilation.

What existing hardware is required to install this 2-pack in an APC SU3000R3BX120?

You need the original UPS chassis with its battery compartment and wiring harness; the cartridges slide directly into the factory slots.

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