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Two black rectangular 12 V lead-acid battery cartridges side by side

PowerWarehouse

PowerWarehouse 2XRBC12SLA121 UPS replacement battery 12 V 2 pack

SKU CH-8G1E-P5C57

Two-pack of 12 V sealed lead-acid cartridges compatible with APC APC3TA UPS units

  • CompatibilityFits: APC APC3TA
  • 12 V lead-acid chemistry delivers reliable UPS runtime
  • Two-battery pack restores full capacity to APC APC3TA units
  • 100 % compatibility guarantee ensures drop-in replacement
  • One-year replacement warranty protects the investment

Direct replacement for APC APC3TA UPS units

This two-pack supplies 12 V lead-acid cartridges built to match the original APC3TA specifications. Each battery is tested for full compatibility so the UPS recognises the cells and runs its self-checks without error codes. The pack is suited to IT managers who need a drop-in refresh for existing APC3TA appliances.

Lead-acid chemistry limits runtime and cycle life

The sealed lead-acid design delivers the 100 % compatibility claim but offers lower energy density than newer chemistries, so runtime per kilogram remains modest. Repeated deep discharges will shorten service life, making the pack less suitable for sites that suffer frequent or prolonged outages. Users needing extended autonomy or faster recharge should evaluate alternative UPS platforms.

Highlights

  • 12 V lead-acid chemistry delivers reliable UPS runtime
  • Two-battery pack restores full capacity to APC APC3TA units
  • 100 % compatibility guarantee ensures drop-in replacement
  • One-year replacement warranty protects the investment

Specifications

BrandPowerWarehouse
Model2XRBC12SLA121
CompatibilityFits: APC APC3TA

Questions about this item

Should I choose the 2-pack or a single 12 V battery for my APC APC3TA UPS?

The 2-pack supplies two 12 V cartridges that match the APC APC3TA requirement, so you replace both cells at once and keep runtime balanced.

What does the 12 V rating deliver once the cartridges are installed in the UPS?

Each cartridge provides 12 V to the APC APC3TA, restoring the original DC bus voltage and giving the UPS its full rated backup capacity again.

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