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Black rectangular sealed lead-acid battery cartridge with terminals on top, approximately 3.86 by 5.94 by 2.56 inches

CyberPower

CyberPower RB1290 12V 9Ah UPS Replacement Battery Cartridge

SKU CH-ABRG-RCGTG MPN RB1290

Sealed lead-acid cartridge restores runtime to compatible CyberPower UPS units with a pre-assembled, leak-proof 12 V 9 Ah cell

  • Product typeBattery Unit
  • Compatible withCyberPower CP1000AVRLCD UPS
  • DetailsBattery Type: Sealed Lead-Acid Battery Size: 12 V/9AH User R
  • Key featuresCertified OEM replacement for CyberPower UPS Restores UPS pe
  • Product dimensions3.86 in × 5.94 in × 2.56 in (H × W × D)
  • Product weight6.06 lb (2.75 kg)
  • OEM-certified replacement restores UPS runtime
  • Maintenance-free sealed lead-acid design prevents leaks
  • Pre-assembled cartridge enables user installation without tools
  • Compatible with CP1000AVRLCD UPS systems
  • Reusable packaging supports battery recycling collection

Drop-in replacement for CP1000AVRLCD

The CyberPower RB1290 is a new sealed lead-acid cartridge built to restore runtime on the CP1000AVRLCD uninterruptible power supply. It arrives pre-assembled so the single 12 V 9 Ah cell can be swapped without tools or wiring. The 18-month warranty covers the unit from installation.

Leak-proof sealed case and recycling pack

The battery is housed in a maintenance-free enclosure measuring 3.86 x 5.94 x 2.56 inches and weighing 6.06 lbs. Its sealed construction prevents electrolyte leaks in any mounting orientation. The shipping carton doubles as a reusable container for returning the expired cell to a recycling centre.

12 V 9 Ah capacity restores original runtime

This capacity matches the factory specification for the CP1000AVRLCD, so the UPS will deliver the same backup time it did when new. Systems that require a different voltage or amp-hour rating will not accept this cartridge.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $51.99
Cheaper than about 96% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameCyberPower
Model nameRB1290
Product typeBattery Unit
Size & build
Product dimensions3.86 in × 5.94 in × 2.56 in (H × W × D)
Product weight6.06 lb (2.75 kg)
Shipping weight2.77 kg
Package size224 × 165 × 91 mm
Compatibility
Compatible withCyberPower CP1000AVRLCD UPS

Questions about this item

What voltage and capacity does the RB1290 battery cartridge deliver to the CP1000AVRLCD UPS?

The cartridge supplies a single 12 V, 9 Ah sealed lead-acid cell, matching the original specification for the CP1000AVRLCD unit.

Will the cartridge fit inside the CP1000AVRLCD without modification?

Yes, the pre-assembled cartridge measures 3.86" high, 5.94" wide and 2.56" deep, matching the factory battery bay dimensions.

What is the correct installation sequence for the RB1290 cartridge?

Power off and unplug the UPS, open the battery door, disconnect the old cartridge, insert the new one, reconnect the leads observing polarity, close the door, then restore power.

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