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Two sealed lead-acid batteries in a black plastic housing

CyberPower

CyberPower RB1280X2B UPS Replacement Battery 2x 8Ah

SKU CH-PR3S-N1MBG

Two 8 Ah lead-acid batteries weighing 10.3 lbs, compatible with CP1500PFCLCD UPS units

  • Weight10.3 lbs
  • 2× 8 Ah lead-acid cells restore full UPS runtime
  • 3 lb pack fits CP1500PFCLCD models exactly
  • Direct replacement keeps Intelligent PFC LCD protection active
  • Pre-wired pair installs without extra cables or tools

Dual 8 Ah Replacement Pack

The CyberPower RB1280X2B supplies two sealed lead-acid batteries rated at 8 Ah each, designed to restore runtime to compatible UPS units. It ships new and weighs 10.3 lbs.

Check Model Compatibility First

This pack is specified for the Intelligent PFC LCD CP1500PFCLCD and PFC Sinewave Series CP1500PFCLCD. Verify your UPS model matches exactly before ordering; other CyberPower units or different brands will not accept this battery set.

Highlights

  • 2× 8 Ah lead-acid cells restore full UPS runtime
  • 3 lb pack fits CP1500PFCLCD models exactly
  • Direct replacement keeps Intelligent PFC LCD protection active
  • Pre-wired pair installs without extra cables or tools

Specifications

BrandCyberPower
ModelRB1280X2B
Weight10.3 lbs

Questions about this item

Does the RB1280X2B come with both lead-acid batteries pre-wired or do I need to connect them myself?

The pack contains two 8 Ah lead-acid cells already assembled for direct installation in compatible CyberPower UPS units.

My UPS is a CP1500PFCLCD — is the RB1280X2B the correct replacement kit or do I need a different capacity?

Yes, the RB1280X2B is specified for the Intelligent PFC LCD CP1500PFCLCD and the PFC Sinewave Series CP1500PFCLCD.

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