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Rectangular sealed lead-acid battery in black plastic casing with two terminals

PowerWarehouse

PowerWarehouse LEADACIDSLA43-19 12V 5Ah ups replacement battery

SKU CH-DXYD-CFHY6

12 V 5 Ah sealed lead-acid cartridge fits APC SUM1500RMXL2U UPS units as a direct RBC43 replacement

  • 12 V 5 Ah sealed lead-acid power for reliable UPS runtime
  • Maintenance-free design eliminates water checks and spill risk
  • Direct replacement for APC RBC43 cartridge number 43
  • Compatible with APC SUM1500RMXL2U 1500 VA UPS units

Compatible Replacement for APC SUM1500RMXL2U

This 12V 5Ah sealed lead-acid battery replaces the RBC43 cartridge in the APC SUM1500RMXL2U uninterruptible power supply. It is a maintenance-free unit designed for direct installation by IT staff or facility managers responsible for rack-mounted power protection. The PowerWarehouse LEADACIDSLA43-19 restores backup runtime without requiring specialised tools.

Thermals Noise and Power Draw

Sealed lead-acid chemistry produces no audible noise during float charge or discharge cycles. Heat output remains low under normal float conditions inside the UPS enclosure. The battery accepts charge current from the host unit without drawing additional mains power beyond the UPS's own efficiency losses. No active cooling is required.

Highlights

  • 12 V 5 Ah sealed lead-acid power for reliable UPS runtime
  • Maintenance-free design eliminates water checks and spill risk
  • Direct replacement for APC RBC43 cartridge number 43
  • Compatible with APC SUM1500RMXL2U 1500 VA UPS units

Specifications

BrandPowerWarehouse
ModelLEADACIDSLA43-19

Questions about this item

How do I install the LEADACIDSLA43-19 cartridge into my APC SUM1500RMXL2U UPS?

Power down the UPS, open the front battery door, slide out the old cartridge, insert the new RBC43 cartridge until it clicks, close the door, then turn the UPS back on to let it recognise the fresh 12 V 5 Ah pack.

When will the LEADACIDSLA43-19 need replacement in normal use?

A sealed lead-acid cartridge typically lasts three to five years; plan to swap it when runtime drops noticeably or the UPS signals a battery fault.

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