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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

  • Product typeBattery
  • Product 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.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $64.99
Pricier than about 68% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Product typeBattery

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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