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Rectangular sealed lead-acid battery cartridge in black plastic enclosure with recessed terminals and label P59

APC

APC RBC59 UPS Replacement Battery Cartridge #59

SKU CH-2X0Q-M3B2D MPN RBC59

Maintenance-free sealed lead-acid cartridge with two battery blocks fits SC1500 and SC1500I UPS units

  • TypeBattery
  • CompatibilitySC1500, SC1500I
  • FeaturesBattery Type: Maintenance-free sealed Lead-Acid battery with
  • Dimensions7.76" x 5.58" x 2.50"
  • Weight11.74 lbs.
  • Package ContentsAPC Replacement Battery Cartridge #59, All required connecto

Option RBC59

  • Maintenance-free sealed lead-acid design prevents leaks
  • 3 to 5 year expected service life reduces replacements
  • Fits SC1500 and SC1500I UPS models directly
  • Includes all connectors, recycling guide and reusable packaging
  • Enclosed cabinet mounting simplifies installation

Replacement battery for SC1500 UPS

The APC RBC59 is a sealed lead-acid cartridge designed to restore runtime to compatible Smart-UPS SC1500 and SC1500I units. It arrives as a single enclosed module containing two battery blocks with all necessary connectors included. The maintenance-free design uses suspended electrolyte to prevent leaks during operation or transport. Installation is user-serviceable and guided by the supplied documentation.

For owners of SC1500 or SC1500I units needing

This cartridge suits administrators refreshing a single UPS after three to five years of service. It is not for users whose UPS model differs from the two listed compatibilities, nor for installations requiring multiple cartridges per unit. Buyers needing hot-swappable trays or lithium chemistry should look elsewhere.

Two battery blocks per cartridge

The RBC59 delivers one string composed of two sealed lead-acid blocks housed in an enclosed cabinet measuring 7.76" x 5.58" x 2.50" and weighing 11.74 lbs. Expected service life spans three to five years under typical conditions. Confirm the physical footprint matches your UPS battery compartment before ordering.

Highlights

  • Maintenance-free sealed lead-acid design prevents leaks
  • 3 to 5 year expected service life reduces replacements
  • Fits SC1500 and SC1500I UPS models directly
  • Includes all connectors, recycling guide and reusable packaging
  • Enclosed cabinet mounting simplifies installation

Specifications

BrandAPC
ModelRBC59
TypeBattery
CompatibilitySC1500, SC1500I
FeaturesBattery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
Battery mounting: Enclosed battery cabinet
Expected Battery Life (years): 3 - 5
RBC Quantity: 1
Battery blocks per string: 2
Dimensions7.76" x 5.58" x 2.50"
Weight11.74 lbs.
Package ContentsAPC Replacement Battery Cartridge #59, All required connectors, Battery recycling guide, Installation guide, Reusable packaging
Shipping weight10.00 kg
Package size404 × 333 × 163 mm

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Questions about this item

How much heat does the RBC59 generate during continuous operation?

The sealed lead-acid cells produce minimal heat under normal load and are housed in an enclosed cabinet that keeps temperatures stable.

Which UPS models must I already own for the RBC59 to fit and connect?

The cartridge is designed for the SC1500 and SC1500I units and ships with all required connectors for those models.

Will the RBC59 work with the original batteries still installed in my SC1500?

No, the cartridge replaces the entire two-block string, so the old batteries must be removed before installing the new unit.

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