Battery Specs & GuideAPC UPS
RBC124APC APCRBC124 Replacement Battery Cartridge #124
AT A GLANCE

APC Back-UPS Pro 1500 Battery Replacement: APCRBC124

The APC APCRBC124 is a 24V, 9Ah lead-acid replacement battery cartridge. APC lists it for the Back-UPS Pro BR1300G and BR1500G, and it comes with the required connectors.

24VNominal voltage
9AhRated capacity
5.6 kgListed weight
2 yrListed warranty

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01 / Compatibility

Will This Battery Fit Your UPS?

“Back-UPS Pro 1500” is not one single model. APC lists the APCRBC124 for the BR1300G and BR1500G, while the BR1500MS2 uses the APCRBC163. Run this quick model check before you buy.

HEADS UP

Do not match by the “1500” in the name or by voltage alone. Always match the full model number, including any suffix, to APC’s replacement battery selector or your UPS manual.

02 / Specifications

APC APCRBC124 Specifications

PropertyDetail
Brand / modelAPC by Schneider Electric, APCRBC124 (Replacement Battery Cartridge #124)
Product typeReplacement battery cartridge for UPS
ChemistryLead-acid, VRLA (valve-regulated)
Nominal voltage24 V DC (complete cartridge)
Rated capacity9 Ah
Quantity per UPSOne cartridge
Weight5.6 kg (12.35 lb)
Dimensions (H × W × D)76 × 152 × 203 mm (2.99 × 5.98 × 7.99 in)
IncludedRequired connectors; APC RBCs also carry replacement and disposal instructions
Typical battery life3 to 5 years, shorter with heat, poor power or frequent discharges
Warranty24 months, repair or replace
UPC / EAN731304284383
RechargeableYes, charged by the UPS

Specifications follow APC and Schneider Electric product data and manuals. Some retail listings show different dimensions or 12V figures, which appear to describe the individual batteries inside. Match the cartridge by UPS model, not by size.

03 / Effort

APCRBC124 Replacement Difficulty

This is a user-replaceable cartridge, but it weighs 5.6 kg and the exact steps depend on your UPS model. The hardest part is picking the correct cartridge. Tap a slice to highlight it.

  • 35% Confirming the right model
  • 20% Handling the 5.6 kg cartridge
  • 25% Connecting & seating it
  • 20% Charging & testing

The difficulty score and effort split are an editorial estimate, not an official APC rating. A swollen, leaking or damaged battery raises the difficulty and calls for APC Support.

04 / Install guide

How to Replace the Battery

This is a general outline. Follow the illustrated battery steps in your own UPS manual and the instructions supplied with the cartridge. Tap each step to tick it off.

  1. 1Confirm your UPS modelMatch the label on the UPS to the BR1300G or BR1500G, then check APCRBC124 in your manual or the APC selector.
  2. 2Prepare safelySave your work and power down connected equipment as a precaution. Take off rings and watches, and never open the cartridge.
  3. 3Swap the cartridgeUse the battery diagrams in your UPS manual to remove the old cartridge and fit the new one with the supplied connectors.
  4. 4Charge and testLet the UPS charge, then run the self-test described in your manual. If backup time is short after a recent outage, APC advises a 16-hour charge.
  5. 5Recycle the old cartridgeTake the used lead-acid cartridge to a battery recycling facility. Do not put it in household trash.
STOP IF DAMAGED

If the old battery is swollen or leaking, contact APC Support for guidance before you touch it.

05 / Other models

UPS Models and Their Cartridges

These pairings come from APC manuals and product pages. For any model not listed, check APC’s replacement battery selector first.

  • BR1500GUses APCRBC124
  • BR1300GUses APCRBC124
  • BR1500G-GRUses APCRBC124
  • BR1200G-GRUses APCRBC124
  • BX1500M / BX1500M-LM60Uses APCRBC124
  • SMC1000-2UC / SMC1000I-2UCUses APCRBC124
  • SMC1000-2U / SMC1000I-2UUses APCRBC124
  • BR1500MS2Uses APCRBC163
  • BX1350M / BX1350M-LM60Uses APCRBC123
  • SMC1000C / SMC1000ICUses APCRBC142
Safety

Safety, Handling & Disposal

BATTERY HAZARD

Batteries can still carry a shock hazard when the UPS is disconnected. Never open, mutilate or burn the cartridge, because released electrolyte is toxic. Swollen or leaking batteries need APC Support.

  • Remove rings, watches and similar jewelry before battery work.
  • Use official APC replacement cartridges, and replace all batteries at the same time.
  • Replace the battery as soon as the UPS indicates it is needed.
  • Keep the UPS out of direct sunlight and excess heat.
  • Take the old cartridge to a battery recycling facility.
FAQ

APCRBC124: FAQ

Is the APCRBC124 the right battery for every APC Back-UPS Pro 1500?

No. APC specifies it for the BR1300G and BR1500G. The BR1500MS2 uses APCRBC163 instead. Check the full model number before ordering.

Is the APCRBC124 a 12V or 24V battery?

APC lists the complete cartridge as 24V DC, 9Ah. Some manual tables and retail listings show 12V figures, which appear to describe the individual batteries inside. Use the 24V cartridge rating.

How long does the battery last?

APC describes typical battery life as three to five years. Heat, poor-quality utility power and frequent discharges can shorten it. Replace the battery as soon as the UPS indicates it is needed.

Is the APCRBC124 rechargeable?

Yes. It is a lead-acid cartridge that the UPS recharges. Replacing it does not change the UPS power rating.

What warranty does the APCRBC124 have?

APC lists a 24-month repair-or-replace warranty for the cartridge. This is separate from the warranty on the UPS itself.

How should I dispose of the old cartridge?

Do not put it in household trash or a fire. Take it to a battery recycling facility. Contact APC Support if the battery is swollen or leaking.

Specifications are based on APC and Schneider Electric product data and manuals, and may vary by region and listing.

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