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CB Range  |  SKU: CB129X3-10386

UPS Batteries For Cyberpower Ol1500rtxl2u UPS, 3 X 12v, 9ah - 108wh

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $104.99 CAD Regular price $116.63
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Just a Quick Reminder!
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.

UPS Battery for CyberPower OL1500RTXL2U – 12V, 9Ah (3 Pack)

Premium 12V 9Ah sealed lead acid AGM replacement battery kit designed to restore dependable backup performance for the CyberPower OL1500RTXL2U UPS. Built for stable output, reliable runtime, and a precise fit.

12V Output 9Ah Per Battery 3 Batteries Included AGM Sealed Lead Acid

Technical Specifications

BrandCB Range
Battery ModelCB129
Battery TypeSealed Lead Acid (AGM)
Voltage12V
Capacity9Ah per battery
Pack Quantity3 Batteries
Terminal TypeT2
Dimensions (Each)5.95" × 2.56" × 3.70"
Height incl. Terminal3.94"
Gross Weight7.5 Kg / 16.53 lbs
SKUCB129X3-10386
ApplicationUPS Backup Power

Key Benefits

  • Reliable Runtime: Each battery delivers 12V, 9Ah for dependable UPS backup performance.
  • Maintenance-Free AGM Design: Spill-proof sealed construction for clean, hassle-free operation.
  • Direct Replacement Fit: Designed for CyberPower OL1500RTXL2U systems requiring a 3-battery 12V 9Ah setup.
  • Stable Power Delivery: Helps keep your UPS performing properly during outages and fluctuations.
  • Durable Build Quality: Manufactured with premium materials to support long service life and strong energy retention.
  • Fast Installation: T2 terminals provide secure connection using your existing hardware.

Compatible UPS Model

CyberPower

OL1500RTXL2U

Engineered as a replacement battery pack for CyberPower UPS systems using 3 x 12V 9Ah batteries with T2 terminals.

What’s Included

  • 3 x 12V 9Ah AGM batteries
  • T2 terminal configuration
  • Designed for full UPS battery replacement
  • Assembly required using your existing connectors and cables

Warranty & Returns

  • 1-Year Warranty
  • 30-Day Return Policy

Please verify battery size, terminal type, and pack quantity before ordering to ensure correct compatibility.

Important Installation Notes

  • Re-use your existing connectors and cables.
  • Some assembly is required during installation.
  • Handle batteries carefully and install correctly for best performance and safety.
  • Check terminal orientation and dimensions before fitting into your UPS compartment.

Why Choose This Replacement Kit?

This CB Range CB129X3-10386 battery kit is built to bring your CyberPower OL1500RTXL2U back to dependable operating condition with the correct voltage, capacity, and terminal setup required for reliable backup protection.

Reliable Power for Uninterrupted Performance

Keep your CyberPower OL1500RTXL2U ready for outages with this premium 3-pack of 12V 9Ah AGM replacement batteries. Designed for stable output, dependable runtime, and long-lasting UPS performance, this kit helps protect your connected equipment when power matters most.

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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.

How to Look after your new lithium battery!!

See how to look after your battery if its lithium Lithium Care

Delivery and Shipping

See our shipping policy and details at this link Shipping Details

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Not sure which replacement battery you need? Just snap a Photo / Video of your current battery and send it our way! Our team will quickly identify the exact match and recommend the perfect replacement model — no guesswork, no hassle.

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Technical Specifications

CB129X3-10386 Replacement Battery Kit for CyberPower OL1500RTXL2U UPS
Product Details
Product Model CB129X3-10386
Compatible UPS Model CyberPower OL1500RTXL2U UPS
Brand CB Range
Battery Type UPS Replacement Battery Kit
Individual Battery Model CB129
Number of Batteries in Kit 3
Voltage per Battery 12V
Capacity per Battery 9Ah
Total Kit Energy 324Wh
Chemistry AGM (Sealed Lead Acid)
Terminal Type T2
Gross Weight 7.5 kg / 16.53 lbs
Battery Dimensions (Each Battery)
Length 5.95 inches / 151 mm
Width 2.56 inches / 65 mm
Height 3.7 inches / 94 mm
Height to Top of Terminal 3.94 inches / 100 mm
Direct replacement battery kit for supported CyberPower rackmount UPS systems using a 3 x 12V 9Ah configuration.
Latest Update: 16 March 2026

Compatible Models & Battery Reference

Compatible UPS Model Battery Configuration Replacement Kit Battery Model
CyberPower OL1500RTXL2U UPS 3 x 12V 9Ah CB129X3-10386 CB129
CyberPower OL1500RTXL2U UPS

This UPS uses a replacement battery kit configured with 3 batteries, each rated at 12V 9Ah.

Replacement kit SKU: CB129X3-10386

Individual battery model: CB129 with T2 terminals.

Confirmed compatible model shown above for this battery kit: CyberPower OL1500RTXL2U UPS.

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