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Two black rectangular 12V lead-acid battery cartridges labelled 55

PowerWarehouse

PowerWarehouse 2XRBC55SLA558 12V Lead Acid Battery Cartridge #55 2 Pack for APC SUA2200

SKU CH-PN0S-7CARF

A 12 V lead-acid cartridge 55 two-pack replaces the battery in an APC SUA2200 UPS

  • Compatible withFits: APC SUA2200
  • 12 V lead-acid chemistry powers APC SUA2200 UPS units
  • Two-pack cartridge #55 replaces both internal batteries at once
  • 100 % compatibility guaranteed with original APC equipment
  • One-year replacement warranty covers each battery in the pack

Direct replacement for APC SUA2200 UPS

This two-pack of 12 V lead-acid cartridges is built to match the original RBC55 specification for the APC SUA2200 uninterruptible power supply. Each unit is guaranteed 100 % compatible with the factory equipment. The set restores full runtime to a UPS that protects servers and networking gear.

Fits the existing battery bay without modification

No extra cabling or adapters are required; the cartridges slide into the same slots as the original modules. The pair frees the UPS from degraded cells so it can again deliver clean backup power during outages. Buyers needing a different voltage or form factor should look elsewhere.

How it compares

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

Price $449.99
Pricier than about 90% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC55SLA558
Compatibility
Compatible withFits: APC SUA2200

Questions about this item

How long will the 12V lead-acid cells sustain a full load before voltage drops?

Runtime depends on the UPS load level; the 12V cells are rated for standard SUA2200 discharge curves and deliver full capacity when new.

Does the cartridge generate noticeable heat or fan noise during continuous operation?

The sealed lead-acid design runs silently and produces only normal warmth inside the UPS enclosure during extended use.

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