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CB Range  |  SKU: CB129X6-10388

Batteries For Cyberpower Ol3000rtxl2u UPS, 6 X 12v, 9ah - 3000 VA / 2700 W

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $198.99 CAD Regular price $221.00
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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.

UPS Battery for CyberPower OL3000RTXL2U – 12V 9Ah AGM Replacement Pack (6 Batteries)

Reliable 12V 9Ah sealed lead acid AGM replacement batteries engineered for dependable backup power in the CyberPower OL3000RTXL2U UPS. This complete 6 battery pack helps keep your system protected and operational during outages and critical power events.

6 Batteries Included 12V / 9Ah Each AGM Sealed Lead Acid T2 Terminals

Technical Specifications

BrandCB Range
Battery ModelCB129
Battery TypeSealed Lead Acid (AGM)
Voltage12V
Capacity9Ah per Battery
Pack Quantity6 Batteries
Terminal TypeT2
Dimensions (Each)5.95" × 2.56" × 3.70"
Height to Terminal3.94"
Gross Weight15kg / 33.07 lbs
SKUCB129
ApplicationUPS Backup Power

Key Benefits

  • Complete 6 Battery Pack: Supplied as a full replacement set for CyberPower OL3000RTXL2U UPS systems.
  • Stable Backup Power: Each 12V 9Ah AGM battery delivers dependable energy for critical UPS operation.
  • Maintenance-Free Design: Sealed AGM construction offers spill-proof, hassle-free performance.
  • Durable Build: Built from quality materials for long service life and consistent power delivery.
  • Easy Installation: T2 terminals provide a secure and straightforward fit using your existing cabling.
  • Precise Fitment: Compact dimensions are suited for UPS replacement applications.

Compatible Model

CyberPower

OL3000RTXL2U

Designed as a replacement battery pack for the CyberPower OL3000RTXL2U UPS system.

Important Information

  • 6 batteries are included in this pack.
  • UPS unit not included — batteries only supplied.
  • Re-use your existing connectors and cables; some assembly may be required.
  • Always handle and install batteries carefully for best performance and safety.
  • Please verify battery size, terminal type, and required quantity before ordering.

Warranty & Returns

  • 30-Day Return Policy
  • 1-Year Warranty

Ideal for restoring reliable UPS runtime and maintaining protection for essential equipment.

Reliable Replacement Power for Your UPS

Keep your CyberPower OL3000RTXL2U operating at its best with this high-quality CB129 12V 9Ah AGM replacement battery pack. With 6 batteries included, this set is built to deliver dependable backup power, straightforward installation, and the confidence you need to protect critical 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

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Technical Specifications

Batteries for CyberPower OL3000RTXL2U UPS – 6 x 12V 9Ah AGM Battery Kit
Product Information
Product Model Batteries for CyberPower OL3000RTXL2U UPS – 6 x 12V 9Ah
Product Brand CB Range
Type UPS Battery Kit
SKU Number CB129X6-10388
Individual Battery Model CB129
Compatible UPS Model CyberPower OL3000RTXL2U
Battery Quantity 6 Batteries
Battery Chemistry AGM (Sealed Lead Acid)
Voltage Per Battery 12V
Capacity Per Battery 9Ah
Energy Per Battery 108Wh
Terminal Type T2
Gross Weight (All Batteries) 15 Kg / 33.07 Lbs
Battery Dimensions
Height 3.70 inches / 94 mm
Height to Top of Terminal 3.94 inches / 100 mm
Length 5.95 inches / 151 mm
Width 2.56 inches / 65 mm
6-piece replacement battery kit for CyberPower OL3000RTXL2U UPS systems using 12V 9Ah AGM batteries with T2 terminals.
Latest Update: 14 March 2025

OEM Battery Cross Reference

UPS Model Original Battery Format Replacement Battery Kit Configuration
CyberPower OL3000RTXL2U 12V 9Ah AGM with T2 terminal CB129 6 Pack
This replacement kit matches the confirmed CyberPower OL3000RTXL2U UPS battery format requiring 6 x 12V 9Ah AGM batteries with T2 terminals.
Confirmed Model Fitment
CyberPower OL3000RTXL2U
Battery Kit Configuration
This battery set includes 6 individual CB129 batteries. Each battery is rated at 12V 9Ah and uses a T2 terminal configuration for UPS replacement use.
Battery Size Reference
Each battery measures 151mm in length, 65mm in width, 94mm in case height, and 100mm to the top of the terminal.
Application Reference
Suitable for replacement use in compatible UPS backup power systems that require six 12V 9Ah AGM batteries in the same physical size and terminal layout as listed above.

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