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Black rectangular sealed lead-acid battery cartridge labeled RBC2 12V

APC

APC RBC2 UPS Replacement Battery 12V

SKU CH-61TN-BRKDZ

12 V sealed lead-acid replacement cartridge restores original runtime to compatible Back-UPS units with tool-free hot-swap installation

  • Key featuresNumber of Batteries 1 12 V batteries required. Brand APC Bat
  • Restores UPS to original specs with tested APC battery
  • Hot-swap install keeps equipment running without downtime
  • Spill-free sealed lead-acid design meets transport safety rules
  • Compatible with Back-UPS BE500R, BK300C, BK350, BK500 series
  • Expected three-to-five-year life for reliable backup power

APC RBC2 Replacement Battery

The APC RBC2 is a 12 V sealed lead-acid replacement cartridge designed for compatible Back-UPS and Smart-UPS units. It restores original runtime and protection for home offices and small businesses that rely on uninterrupted power for computers and network gear. The single-battery pack arrives fully assembled for immediate hot-swap installation without powering down connected equipment.

Thermals Noise and Power Draw

As a sealed lead-acid cell the cartridge produces no fan noise and draws no power during standby operation. Heat output is limited to normal charging warmth inside the UPS enclosure. The spill-free construction meets transport regulations and allows indoor or outdoor placement within the host UPS without additional ventilation requirements.

Three to Five Year Service Life

The manufacturer rates the battery for an expected life of three to five years under typical usage conditions. This service interval is the key specification that determines when the cartridge should be replaced to maintain full UPS performance and equipment protection policies.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $70.99
Cheaper than about 94% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameAPC
Model nameRBC2

Questions about this item

How do I install the RBC2 battery and which step is most often missed?

The cartridge arrives fully assembled for hot-swap installation; power down the UPS, open the battery door, disconnect the old pack, connect the new 12 V unit, close the door and turn the UPS back on — the step most people skip is reconnecting the battery terminals securely before closing the door.

What maintenance or replacement will this battery need later?

The sealed lead-acid cell is maintenance-free; expect a service life of three to five years, after which the entire RBC2 cartridge should be replaced to restore original runtime.

What limit appears first during a long power outage?

The single 12 V battery capacity defines the runtime ceiling; once its stored energy is depleted the UPS will shut down, so the amp-hour rating of this pack is the first hard limit under sustained load.

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