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Two sealed 12V9A lead-acid batteries in a cardboard box

RefurbUPS

RefurbUPS RB1290X2 UPS Replacement Battery Kit 12V9A 2-pack

SKU CH-N6C8-481NN

Kit includes two 12V9A sealed lead-acid batteries for UPS power backup

  • TypeKit/Package
  • Weight14
  • Two 12V9A SLA batteries included
  • Compatible with CyberPower RB1290X2 UPS units
  • High-rate discharge design for reliable backup
  • Factory fresh batteries ready for installation
  • Kit weighs 14 units for easy handling

Compatible 12 V 9 Ah replacement kit

This kit supplies two 12 V 9 Ah sealed lead-acid batteries built to match the CyberPower RB1290X2 cartridge. It is intended for administrators and home-office users who need to restore runtime on a compatible UPS unit. Factory-fresh cells are included to deliver reliable backup performance.

Verify UPS model and cartridge fit

Check the UPS documentation to confirm the RB1290X2 cartridge is the correct replacement for your unit. Ensure the existing battery bay accepts two 12 V 9 Ah blocks and that the connector polarity matches the original assembly. The kit includes installation instructions for the swap procedure.

Drops into the existing battery compartment

The two batteries install directly into the UPS cartridge tray without extra mounting hardware. Replacing the set restores full backup capacity and frees the UPS from degraded runtime. No additional cabling or firmware updates are required for the replacement.

Highlights

  • Two 12V9A SLA batteries included
  • Compatible with CyberPower RB1290X2 UPS units
  • High-rate discharge design for reliable backup
  • Factory fresh batteries ready for installation
  • Kit weighs 14 units for easy handling

Specifications

BrandCyberPower
SeriesCyberPower RB Replacement Batteries
TypeKit/Package
Weight14

Questions about this item

Does the RefurbUPS RB1290X2 kit include everything needed to swap the batteries in my UPS, or must I buy extra cables or tools?

The kit contains two 12V9A sealed lead-acid batteries and comprehensive installation instructions; no additional cables or tools are required for a standard UPS battery swap.

How do I decide between this 12V9A two-pack and other capacity options for my CyberPower UPS?

Match the voltage and amp-hour rating printed on your existing batteries — this pack supplies two 12V9A units, which is the direct replacement for the CyberPower RB1290X2 cartridge.

What does the 12V9A rating mean for runtime once the batteries are installed in my UPS?

Each 12V9A high-rate discharge cell delivers the factory-specified capacity, restoring the original backup time your UPS was designed to provide when the original cartridge was new.

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