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Four rectangular 12V9A sealed lead-acid batteries in a kit

RefurbUPS

RefurbUPS RB1290X4 12V9A 4-battery kit ups replacement battery

SKU CH-1AP8-MK8QW

A kit of four 12V9A sealed lead-acid batteries for compatible UPS units

  • TypeKit/Package
  • Weight28
  • Kit contains four 12 V 9 Ah sealed lead-acid batteries
  • 28 kg total weight simplifies shipping and handling planning
  • High-rate discharge chemistry delivers reliable UPS runtime
  • Factory-fresh cells ensure full capacity on first install
  • Comprehensive installation instructions included for quick replacement

CyberPower RB1290X4 compatible kit

This kit supplies four 12V9A sealed lead-acid batteries designed as a direct replacement for CyberPower RB1290X4 UPS cartridges. It targets administrators who need to restore runtime on compatible CyberPower units without sourcing individual cells.

Four high-rate 12V9A cells

The four-battery pack delivers the combined capacity required by the specified cartridge, supporting typical load profiles for the intended UPS models. Runtime will decrease as the connected load approaches the UPS rated maximum, so plan capacity accordingly.

Factory-fresh SLA construction

Fresh sealed lead-acid cells arrive ready for installation and exhibit low self-discharge during storage. Normal operation produces minimal acoustic noise, while power draw follows the UPS charging profile without additional cooling requirements.

Highlights

  • Kit contains four 12 V 9 Ah sealed lead-acid batteries
  • 28 kg total weight simplifies shipping and handling planning
  • High-rate discharge chemistry delivers reliable UPS runtime
  • Factory-fresh cells ensure full capacity on first install
  • Comprehensive installation instructions included for quick replacement

Specifications

BrandCyberPower
SeriesCyberPower RB Replacement Batteries
TypeKit/Package
Weight28

Questions about this item

Will the four 12V9A batteries fit the CyberPower RB1290X4 cartridge slot in my existing UPS?

The kit contains four 12V9A SLA batteries built to match the CyberPower RB1290X4 cartridge dimensions, so they install directly into the same compartment.

How can I confirm the batteries are delivering the expected runtime after installation?

Run a self-test from the UPS front panel or management software; a successful test and normal runtime during a brief power pull indicate the pack is working.

Does the package include the wiring harness and hardware needed for the swap, or must I order them separately?

The box supplies four factory-fresh 12V9A batteries plus comprehensive installation instructions; reuse the existing harness and screws from the old cartridge.

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