CYBERPOWER 

CYBERPOWER RB1290X2E BATTERY

Mfg Part Number:  RB1290X2E  
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Price: $145.62
Quantity:
In Stock: 6
Last Updated: Aug 24, 2026
No Sales Tax except these states
, PO and Wire.

The RB1290X2E UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X2E contains two 12V/9Ah batteries, certified to meet or exceed original manufacturer specifications. This leak-proof, sealed lead-acid battery cartridge never requires replacement fluid. The pre-assembled cartridge installs easily into your CyberPower UPS system and is shipped with reusable packaging for delivering expired batteries to a suitable recycling center. The RB1290X2E comes with instructions, recycling information, and an eighteen-month warranty.

UPS Compatibility
CP1500AVRLCD3, CP1350AVRLCD3, BRG1500AVRLCD2

More from the Manufacturer

Main Specification
General Information
Manufacturer CyberPower Systems, Inc
Manufacturer Part Number RB1290X2E
Manufacturer Website Address https://www.cyberpowersystems.com
Brand Name CyberPower
Product Model RB1290X2E
Product Name RB1290X2E Replacement Battery Cartridge
Product Type UPS Battery Cartridge
Technical Information
Battery Characteristics Sealed
Battery Chemistry Lead Acid
Battery Capacity 9000 mAh
Input Voltage 12 V DC
Battery Size Proprietary Battery Size
Physical Characteristics
Height 2.6"
Width 11.9"
Depth 4.1"
Weight (Approximate) 11.46 lb
Miscellaneous
Package Contents
  • RB1290X2E UPS Battery Cartridge
  • Battery Kit and Installation Guide
Additional Information
  • Battery Quantity : 2
  • Battery Size : 12 V / 9 Ah
  • Battery Type : Sealed Lead-Acid Battery
  • Replacement Battery Cartridge Quantity : 1
  • User Replaceable Battery : Yes
  • Physical Dimensions - (WxHxD) (cm) : 30.2 x 6.5 x 10.49 (cm)
  • Physical Dimensions - (WxHxD) (in) : 11.89 x 2.56 x 4.13 (in)
  • Physical Dimensions - (WxHxD) (mm) : 302 x 65 x 105 (mm)
  • Weight (kg) : 5.2
  • Weight (lb) : 11.46
  • Shipping Dimensions - (WxHxD) (cm) : 40.01 x 9.5 x 19.51 (cm)
  • Shipping - Dimensions (WxHxD, in) : 15.75 x 3.74 x 7.68 (in)
  • Shipping - Dimensions (WxHxD, mm) : 400.05 x 95.0 x 195.07 (mm)
  • Shipping - Weight (kg) : 5.6
  • Shipping - Weight (lb) : 12.35
  • USB Charge Port : No
  • Package Includes : Battery Kit and Installation Guide
  • Operating Relative Humidity : 0 - 95 % (non-condensing)
  • Operating Temperature : 32 - 104 °F (0 - 40 °C)
  • Models : CP1500AVRLCD3
  • UPS Models : CP1500AVRLCD3
  • Product Warranty : 18 Month Limited Warranty
  • Compatibility

    CyberPower UPS Systems:

    • CP1500AVRLCD3
    • CP1350AVRLCD3
    • BRG1500AVRLCD2
    Warranty
    Limited Warranty 18 Month
    WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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