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Rectangular black battery cartridge, four sealed lead-acid units pre-wired in a metal frame

CyberPower

CyberPower RB1290X4D 12V 9AH 4-Battery Accessory

SKU CH-W2Y8-QTH13 MPN RB1290X4D

Four pre-assembled 12 V 9 Ah sealed lead-acid batteries restore runtime for compatible CyberPower UPS units and ship in reusable recycling packaging

  • Product typeBattery Unit
  • Compatible withCyberPower UPS: PR3000LCDRT2U, PR1000LCDRTXL2Ua, PR1500LCDRT
  • DetailsBattery Type: Sealed Lead-Acid Battery Size: 12 V/9AH User R
  • Key featuresCertified OEM replacement for CyberPower UPS Restores UPS pe
  • Product dimensions2.72 in × 8.27 in × 12.68 in (H × W × d)
  • Product weight29.32 lb (13.3 kg)
  • Restores UPS runtime with four 12V 9AH sealed lead-acid batteries
  • Certified OEM replacement for CyberPower PR3000LCDRT2U and XL series UPS units
  • Pre-assembled cartridge enables user installation without tools
  • Leak-proof maintenance-free design protects equipment from acid spills
  • Reusable packaging allows safe return of expired batteries for recycling

Compatible UPS Models

This replacement battery cartridge fits CyberPower PR3000LCDRT2U, PR1000LCDRTXL2Ua, PR1500LCDRTXL2U, PR2200LCDRTXL2U and PR3000LCDRTXL2U units. It restores runtime when the original internal batteries have weakened or failed. The pack contains four sealed lead-acid batteries pre-assembled for direct installation.

User-replaceable design

The cartridge is built for tool-free installation by the system owner, so no specialist service call is required. Maintenance-free sealed cells eliminate the need for fluid checks. Reusable packaging is included for returning the expired batteries to a suitable recycling centre.

12V 9AH four-battery configuration

The cartridge supplies four 12V 9AH sealed lead-acid cells wired to match the original UPS specification. This exact voltage and capacity combination determines whether the unit will charge correctly and deliver the rated backup time.

How it compares

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

Price $193.99
Pricier than about 85% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameCyberPower
Model nameRB1290 × 4D
Product typeBattery Unit
Size & build
Product dimensions2.72 in × 8.27 in × 12.68 in (H × W × d)
Product weight29.32 lb (13.3 kg)
Shipping weight14.06 kg
Package size476 × 368 × 159 mm
Compatibility
Compatible withCyberPower UPS:
PR3000LCDRT2U, PR1000LCDRTXL2Ua, PR1500LCDRTXL2U, PR2200LCDRTXL2U, PR3000LCDRTXL2U

Questions about this item

What UPS models does the RB1290X4D cartridge fit?

The cartridge is compatible with CyberPower PR1000LCDRTXL2Ua, PR1500LCDRTXL2U, PR2200LCDRTXL2U, PR3000LCDRT2U and PR3000LCDRTXL2U UPS systems.

How is the pre-assembled cartridge installed, and what step do people often miss?

Slide the cartridge into the UPS battery compartment until it seats firmly, then reconnect the internal battery connector — skipping the connector leaves the UPS running on bypass.

When will the four 12V 9AH sealed lead-acid batteries need replacement again?

Expect 3 to 5 years of service; the 18-month warranty covers early failure, and the reusable packaging lets you return the expired pack for recycling.

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