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CB Range  |  SKU: CB129X4-PR2000RTXL2U

UPS Batteries For CyberPower 2000VA PR2000RTXL2U, 4 X 12v, 9ah - 108wh

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Sale price $139.99 CAD Regular price $155.51
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Please double-check that the batteries you're ordering match the ones in your unit before completing your purchase.

Please note: We only supply the batteries shown in the images. Product images of devices are shown for reference only.

Battery for CyberPower 2000VA PR2000RTXL2U UPS – 12V, 9Ah (Pack of 4)

Reliable 12V 9Ah Sealed Lead Acid (AGM) replacement batteries designed to keep your CyberPower UPS performing at its best. This complete 4-pack delivers dependable backup power, stable output, and long-lasting performance for critical equipment protection.

4 x 12V 9Ah Batteries 432Wh Total AGM / SLA T2 Terminals

Technical Specifications

BrandCB Range
Battery ModelCB129
Battery TypeSealed Lead Acid (AGM)
Voltage12V
Capacity9Ah per battery
Pack Quantity4 Batteries
Total Energy432Wh
Terminal TypeT2
Dimensions (Each)151 x 65 x 100mm
Dimensions (Each)5.95" x 2.56" x 3.94"
Gross Weight10 Kg / 22.05 lbs
SKUCB129

Key Benefits

  • Reliable Backup Power: Designed to support your UPS during outages and voltage drops.
  • Maintenance-Free AGM Design: Spill-proof, leak-resistant construction for dependable use.
  • Optimized Compatibility: Built for the CyberPower 2000VA PR2000RTXL2U UPS system.
  • Complete 4-Pack: Includes everything needed for a full internal battery replacement.
  • Quick Installation: T2 terminals provide secure connectivity for straightforward setup.
  • Long Service Life: High-quality construction supports strong energy retention and durability.

Compatible Models

CyberPower

PR2000RTXL2U 2000VA PR2000RTXL2U

Designed as a reliable replacement battery pack for compatible CyberPower UPS systems requiring 4 x 12V 9Ah AGM batteries with T2 terminals.

What You Receive

  • 4 x CB129 12V 9Ah AGM batteries
  • T2 terminal configuration for secure connection
  • Complete internal battery replacement set
  • Professional fitment-ready pack for UPS servicing

Warranty & Returns

  • 30-Day Return Policy
  • 1-Year Warranty

Re-use your existing connectors and cables. Some assembly is required. Professional installation and correct battery orientation are recommended for best performance.

Important Product Details

  • Chemistry: Sealed Lead Acid (AGM)
  • Terminal: T2
  • Per Battery Rating: 12V 9Ah
  • Total Batteries: 4
  • Canadian Stock: Ships directly from Canada

Why Choose This Replacement Pack?

This battery pack is built to deliver dependable backup performance for your CyberPower UPS, helping protect servers, networking equipment, workstations, and other essential electronics during power interruptions.

With robust AGM construction, a precise 4-battery configuration, and trusted Canadian fulfillment, it is a practical, high-value solution for restoring UPS runtime and reliability.

Dependable Power for Critical UPS Protection

Choose this Battery for CyberPower 2000VA PR2000RTXL2U to keep your UPS system ready when it matters most. With 4 x 12V 9Ah AGM batteries, secure T2 terminals, and a complete replacement configuration, this pack is engineered for reliable performance and peace of mind.

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🔋 What’s mAh All About?

mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨

Before ordering please read

Ensure the original battery model number is mentioned in our product description and verify that your device model number is also listed in the description.

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Technical Specifications

CB Range CB129 – 12V 9Ah AGM UPS Backup Battery (4 Pack)
Battery Details
Category UPS Backup Battery
Battery Type Sealed Lead Acid (AGM)
Chemistry Absorbent Glass Mat (AGM)
Rechargeable Yes
Voltage 12V
Capacity 9Ah per battery
Terminal Type T2
Number of Batteries 4
Dimensions (Each) 151mm x 65mm x 100mm (5.95" x 2.56" x 3.94")
Gross Weight 10 kg / 22.05 lbs total
Colour Black
SKU CB129
Compatibility
Brand CyberPower
Confirmed Device Model CyberPower 2000VA PR2000RTXL2U
Replacement Battery CB Range CB129, 12V 9Ah SLA Battery
Replacement battery pack for CyberPower UPS systems requiring 4 x 12V 9Ah AGM batteries with T2 terminals.
Latest Update: 15 March 2026

OEM Battery Cross Reference

Device Model Original Battery Specification Replacement
CyberPower 2000VA PR2000RTXL2U 4 x 12V 9Ah AGM UPS Batteries with T2 Terminals CB Range CB129 (4 Pack)
This replacement pack is suitable for the confirmed device model listed above and matches the required 12V 9Ah AGM battery format with T2 terminals.

Compatibility Details

Expanded fitment and replacement information
CB Range CB129 battery replacement for CyberPower 2000VA PR2000RTXL2U

The CB Range CB129 battery pack is a replacement option for the CyberPower 2000VA PR2000RTXL2U where the unit requires 4 x 12V 9Ah AGM batteries with T2 terminals.

Each battery in the pack is rated at 12V 9Ah and uses sealed lead acid AGM construction for dependable backup power in UPS applications.

Battery dimensions for each unit are 151mm x 65mm x 100mm, making this pack suitable for installations that match this battery size and terminal layout.

12V 9Ah AGM 4 pack battery fitment for CyberPower PR2000RTXL2U

This battery set is configured as a 4 pack for UPS systems using 12V 9Ah AGM batteries. The confirmed device model from the supplied data is CyberPower PR2000RTXL2U.

The pack uses T2 terminals and is intended for replacement of batteries with the same voltage, capacity, quantity, dimensions, and terminal style.

CB129 UPS backup battery specifications and device compatibility

CB129 is a sealed lead acid AGM UPS backup battery rated at 12 volts and 9 amp hours per battery. This listing is supplied as a 4 battery pack.

Confirmed compatibility from the provided fitment data includes CyberPower 2000VA PR2000RTXL2U.

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