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Three 12V 9A SLA batteries in a replacement kit

RefurbUPS

RefurbUPS RB1290X3PS UPS replacement battery kit

SKU CH-6PTG-SW2YK

A kit of three 12 V 9 Ah sealed lead-acid batteries for UPS replacement, reusing the existing wiring harness

  • TypeBattery
  • Weight21
  • Three 12 V 9 Ah batteries deliver reliable UPS runtime
  • 21 kg kit installs quickly using existing wiring harness
  • Factory-fresh sealed lead-acid cells ensure consistent high-rate discharge performance
  • Compatible with CyberPower RB1290X3PS units for direct replacement
  • Trusted by over 10 000 customers nationwide for power protection

Three-battery kit for UPS runtime

This replacement kit contains three 12V9A sealed lead-acid batteries designed to restore runtime in compatible CyberPower UPS units. It suits administrators who need to refresh ageing power protection without replacing the entire appliance.

High-rate discharge under sustained load

The cells are built for high-rate discharge scenarios, delivering consistent current during extended outages rather than only brief spikes. Factory-fresh chemistry supports reliable voltage hold-up throughout long-duration events.

Reuse existing harness with included guide

Installation uses the original wiring harness, avoiding new cabling or soldering. Step-by-step instructions are supplied, reducing the risk of reversed polarity or loose terminals that can cause start-up failures.

Highlights

  • Three 12 V 9 Ah batteries deliver reliable UPS runtime
  • 21 kg kit installs quickly using existing wiring harness
  • Factory-fresh sealed lead-acid cells ensure consistent high-rate discharge performance
  • Compatible with CyberPower RB1290X3PS units for direct replacement
  • Trusted by over 10 000 customers nationwide for power protection

Specifications

TypeBattery
Weight21

Questions about this item

How much heat does the 12V9A battery kit produce when the UPS runs continuously?

The three sealed lead-acid cells generate only modest warmth during normal float charge; no active cooling is required and the UPS enclosure handles the heat.

What existing hardware must I keep to install this replacement kit?

You reuse the original wiring harness and battery tray from the CyberPower UPS; the kit supplies only the three 12V9A cells.

Will the 12V9A cells work correctly in an older CyberPower unit that originally used lower-capacity batteries?

Yes, the kit matches the voltage and form factor specified for compatible CyberPower models, so the UPS charging circuit manages them without modification.

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