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Two sealed 12V lead-acid battery cartridges in a pack

PowerWarehouse

PowerWarehouse 2XRBC55SLA552 UPS Replacement Battery 12V 55 2 Pack APC NECA3000JW

SKU CH-MKF9-FQDWS

Two 12 V 55 Ah lead-acid batteries replace cartridge 55 in APC NECA3000JW UPS units

  • CompatibilityFits: APC NECA3000JW
  • 12 V 55 Ah lead-acid chemistry delivers reliable backup runtime
  • Two-battery pack replaces cartridge #55 in a single step
  • 100 % compatibility guaranteed with APC NECA3000JW UPS units
  • New condition ensures full rated capacity from day one

APC NECA3000JW compatible replacement

This two-pack supplies 12 V 55 Ah lead-acid cartridges built to match the original equipment specifications for the APC NECA3000JW UPS. Installation follows the standard cartridge swap procedure without wiring changes. The pair restores runtime for critical servers and network gear during utility outages.

Sustained discharge performance

Under continuous load the batteries deliver steady voltage through the full discharge curve rather than sagging after an initial burst. Internal resistance stays low across repeated cycles, supporting the 100 % compatibility claim for the NECA3000JW platform. The chemistry is rated for multi-year float service at ambient temperature.

Highlights

  • 12 V 55 Ah lead-acid chemistry delivers reliable backup runtime
  • Two-battery pack replaces cartridge #55 in a single step
  • 100 % compatibility guaranteed with APC NECA3000JW UPS units
  • New condition ensures full rated capacity from day one

Specifications

BrandPowerWarehouse
Model2XRBC55SLA552
CompatibilityFits: APC NECA3000JW

Questions about this item

How much heat does the 12V 55Ah lead-acid pack generate during continuous UPS operation?

Valve-regulated lead-acid cells run at near-room temperature under float charge; only a brief recharge after a discharge produces noticeable warmth, and the sealed case vents any excess pressure safely.

What existing hardware must I have for these two cartridges to work in my APC unit?

You need an APC NECA3000JW UPS that accepts RBC55 cartridges; the batteries slide into the same bay and connect with the original wiring harness.

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