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Rectangular sealed lead-acid battery cartridge, black plastic casing, two F2 terminals, 11.50 by 2.50 by 4.25 inches

GreenTechLLC

GreenTechLLC APCRBC163 Compatible 24V 9Ah UPS Battery

SKU CH-E4M2-RFXTQ

Replaces APC RBC163 cartridge in Back-UPS Pro Gaming 1500 and BR1500MS2 units with a tested 24 V sealed lead-acid pack

  • Battery Run Time1 - 30 minutes
  • Battery Recharge Time<24 Hour
  • Battery TypeSealed Lead Acid
  • Compatible with APC Back-UPS Pro Gaming BGM1500 and BR1500MS2 models
  • Replaces OEM cartridge APCRBC163, RBC163 and Battery Cartridge #163
  • Delivers 24 V output from two 12 V 9 Ah sealed lead-acid cells
  • Ready to install after factory testing and charging
  • Compact 11.50" × 2.50" × 4.25" form factor fits existing bay

Compatible replacement for APC UPS cartridges

This sealed lead-acid battery pack replaces the APCRBC163 cartridge used in several APC Back-UPS Pro models. It delivers 24 volts through two 12-volt 9Ah cells with F2 terminals. The unit fits the BGM1500 and BR1500MS2 series and arrives tested, charged and ready to install.

Upgrades worn original batteries in supported units

When runtime drops below the 1 to 30 minute range or the UPS signals a battery fault, this cartridge restores the original capacity. The jump is worth it if the existing pack no longer holds charge through a typical outage. It is not for users needing longer runtime than the original design allows or for UPS models outside the listed compatibility list.

Simple cartridge swap with common pitfalls

Installation requires opening the UPS battery door, disconnecting the old pack and sliding the new one into the same rails. The 11.50 by 2.50 by 4.25 inch form factor matches the original cartridge dimensions. Common issues include forgetting to reconnect the internal plug, reversing the terminal polarity or skipping the 24 hour recharge cycle before putting the UPS back under load.

Highlights

  • Compatible with APC Back-UPS Pro Gaming BGM1500 and BR1500MS2 models
  • Replaces OEM cartridge APCRBC163, RBC163 and Battery Cartridge #163
  • Delivers 24 V output from two 12 V 9 Ah sealed lead-acid cells
  • Ready to install after factory testing and charging
  • Compact 11.50" × 2.50" × 4.25" form factor fits existing bay

Specifications

Battery Run Time1 - 30 minutes
Battery Recharge Time<24 Hour
Battery TypeSealed Lead Acid

Questions about this item

What are the exact dimensions of the 24V 9Ah cartridge so I can confirm it fits my BGM1500?

The cartridge measures 11.50" long, 2.50" wide and 4.25" high, matching the original APCRBC163 footprint for the Back-UPS Pro Gaming BGM1500 series and BR1500MS2.

How do I install the replacement cartridge in my BR1500MS2, and which step is most often missed?

Power off the UPS, open the battery door, disconnect the old cartridge’s F2 terminals, insert the new 2 x 12V 9Ah pack, reconnect the F2 terminals observing polarity, close the door and then press the UPS power button to wake the unit — skipping that final button press is the step most people forget.

When will the sealed lead-acid pack need replacement under normal use?

Expect 3 to 5 years of service; plan replacement when runtime drops below a few minutes or the UPS signals a battery fault.

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