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CyberPower RB1290X2 12V 9Ah Hot-Swap UPS Replacement Battery
CyberPower·MPN: RB1290X2

CyberPower RB1290X2 12V 9Ah Hot-Swap UPS Replacement Battery

The CyberPower RB1290X2 replacement battery cartridge restores full operational capacity to compatible CyberPower UPS systems, featuring a 12V/9Ah sealed lead-acid battery for reliable power continuity.

  • Hot-Swap Capability: Enables battery replacement without shutting down connected equipment, ensuring uninterrupted business operations.
  • 12V/9Ah Power: Provides essential backup power capacity, protecting critical servers and networking gear during outages.
  • Sealed Lead-Acid: Offers a maintenance-free, leak-proof design, reducing operational overhead and environmental concerns.
  • OEM Specifications: Certified to meet or exceed original manufacturer standards, guaranteeing reliable performance and compatibility.
$89.44
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Manufacturer Warranty Included

Product Overview

The CyberPower RB1290X2 is a purpose-built 12V/9Ah sealed lead-acid replacement battery cartridge engineered to restore full operational capacity to compatible CyberPower UPS systems, including models like the BRG1500AVRLCD and CP1500AVRLCD.

Designed for hot-swap installation, this battery ensures that IT managers can replace depleted units without interrupting power to critical business equipment, thereby maintaining continuous uptime and protecting sensitive data.

  • Hot-Swap Design: Allows for battery replacement while the UPS and connected devices remain online, eliminating costly downtime for business operations.
  • 12V/9Ah Capacity: Delivers robust backup power, ensuring essential network devices and servers continue running during unexpected power interruptions.
  • Sealed Lead-Acid (VRLA): Provides a maintenance-free and leak-proof power solution, reducing the need for regular checks and minimizing environmental risks.
  • OEM Compatibility: Guaranteed to meet or exceed original manufacturer specifications, ensuring seamless integration and optimal performance with CyberPower UPS units.
  • Operational Resilience: Extends the lifespan of existing UPS infrastructure, offering a cost-effective solution for maintaining power protection and business continuity.

This replacement battery is an essential component for any organization prioritizing uninterrupted power and long-term UPS system reliability.

Technical Specifications

1Performance & Business Impact
Battery TechnologySealed Lead Acid (VRLA)
Battery Voltage12 V
Battery Capacity9 Ah
Hot-Swap SupportYes
Number of Batteries1 pc(s)
3Physical & Environmental
Width150 mm / 5.91 inches
Depth99 mm / 3.90 inches
Height66 mm / 2.60 inches
Weight5.35 kg / 11.79 lbs
Product ColorBlack
Operating Temperature0 - 40 °C / 32 - 104 °F
Operating Humidity0 - 95% (non-condensing)
4Lifecycle, Warranty & Compliance
Warranty1-Year Limited
In-Box Contents1x CyberPower RB1290X2 Battery Cartridge, Reusable Recycling Packaging
Recycling SupportReusable packaging for expired batteries

Full Specifications

Manufacturer Data
Features8
Battery technologySealed Lead Acid (VRLA)
Battery voltage12 V
Battery capacity9 Ah
Number of batteries included1 pc(s)
Number of battery cells2
Product colourBlack
Hot-swap batteryYes
CompatibilityBRG1350AVRLCD BRG1500AVRLCD LX1500GU CP1350AVRLCD CP1500AVRLCD CST150XLU
Weight & dimensions4
Weight5.35 kg
Width150 mm
Height66 mm
Depth99 mm
Packaging data1
Package width165 mm
Operational conditions1
Operating temperature (T-T)0 - 40 °C
Downloads2
Product Datasheet214 KB
Download
User Manual11.5 MB
Download

What This Solves

Maintaining Business Continuity

Small businesses and growing offices cannot afford downtime caused by power outages or fluctuations. This replacement battery ensures that critical UPS systems continue to provide reliable backup power, protecting servers and network devices from unexpected shutdowns.

Small business offices, mid-market enterprises, branch locations, data closets

Protecting Critical Data Assets

Unexpected power loss can lead to data corruption, file system damage, and significant recovery efforts. Deploying fresh UPS batteries safeguards sensitive company data and ensures system integrity, minimizing the risk of costly data recovery processes.

Law firms, accounting practices, healthcare clinics, financial brokerages

Reducing IT Maintenance Overhead

Managing IT infrastructure requires efficient maintenance practices to minimize operational disruptions. The hot-swap design of this battery allows for quick replacement without powering down the UPS, streamlining maintenance tasks for IT teams.

Organizations with limited IT staff, multi-site operations, facilities management teams

Key Features

12V/9Ah Sealed Lead Acid (VRLA) Battery

Provides consistent and reliable power backup, ensuring critical systems remain operational during power interruptions.

Hot-Swap Capability

Enables battery replacement without requiring a UPS shutdown, preserving uptime for connected servers and network equipment.

Certified to OEM Specifications

Guarantees optimal compatibility and performance with designated CyberPower UPS models, extending the lifespan of your power protection infrastructure.

Leak-Proof Design

Offers a maintenance-free solution, reducing environmental risks and simplifying battery management for IT personnel.

Pre-Assembled Cartridge

Facilitates quick and easy installation, minimizing the time and effort required for UPS maintenance and ensuring rapid return to full capacity.

Industry Applications

Finance & Insurance

Ensures continuous power for trading platforms and data servers, protecting critical financial transactions and client records from power disruptions.

Healthcare & Life Sciences

Maintains uptime for medical equipment and patient data systems, crucial for uninterrupted care and regulatory compliance.

Manufacturing & Industrial

Safeguards control systems and production lines from power interruptions, preventing costly downtime and operational delays.

Legal & Professional Services

Protects client databases and communication systems, ensuring continuous access to critical information and uninterrupted service delivery.

Frequently Asked Questions

Which CyberPower UPS models are compatible with the RB1290X2 battery?

The RB1290X2 is compatible with several CyberPower UPS systems, including BRG1350AVRLCD, BRG1500AVRLCD, LX1500GU, CP1350AVRLCD, CP1500AVRLCD, and CST150XLU. Always verify your specific UPS model for exact compatibility.

Can I replace this battery without shutting down my connected equipment?

Yes, the RB1290X2 features hot-swap capability, allowing you to replace the battery cartridge while your CyberPower UPS and connected devices remain powered on. This ensures continuous operation and minimizes downtime.

What type of battery technology does the RB1290X2 use?

This replacement battery utilizes Sealed Lead Acid (VRLA) technology. This design is maintenance-free, leak-proof, and provides reliable power delivery for your UPS system.

How many batteries are included in one RB1290X2 cartridge?

Each CyberPower RB1290X2 cartridge contains one 12V/9Ah battery. It is pre-assembled for straightforward installation into your compatible UPS unit.

Warranty & Returns

Manufacturer Warranty

18 Month

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$89.44