CyberPower THE RB1290X3B UPS Replacement Battery Cartridge Restores Life to Cybe
CyberPower THE RB1290X3B UPS Replacement Battery Cartridge Restores Life to Cybe
CyberPower THE RB1290X3B UPS Replacement Battery Cartridge Restores Life to Cybe - view 2
CyberPower THE RB1290X3B UPS Replacement Battery Cartridge Restores Life to Cyberpower UPS
Product images are provided for reference and may not represent the exact model, configuration, or included components.

No Bots, Just Experts

Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Get Free Pre-Sales Support Buy Design Hours ($175/hr)
Description

CyberPower RB1290X3B UPS Replacement Battery Cartridge

Overview

The CyberPower RB1290X3B is a 3-pack battery cartridge designed to restore original runtime to specific CyberPower uninterruptible power supply (UPS) units. It utilizes Sealed Lead Acid (VRLA) battery technology, providing reliable power backup for critical equipment during outages. This cartridge is engineered for environments where consistent power is essential, such as for network closets or small server racks protected by the compatible UPS model.

Compatibility

This battery cartridge is specifically designed for the CyberPower M1100XL UPS model. Ensure your UPS unit is the M1100XL before purchasing to guarantee proper fit and function. It is not compatible with other UPS series or brands.

Installation Notes

Each battery in the RB1290X3B cartridge operates at 12V with a 9Ah capacity. The physical dimensions are 151 mm wide, 105 mm high, and 198 mm deep. The operating temperature range is 0°C to 40°C, with relative humidity support from 0% to 90% non-condensing. Proper installation requires careful handling to avoid short circuits. Always follow the UPS manufacturer's guidelines for battery replacement.

Expert Analysis
Specifications
Battery voltage: 12 V
Battery capacity: 9 Ah
Number of batteries included: 3 pc(s)
Compatibility: M1100XL
Battery technology: Sealed Lead Acid (VRLA)
Weight: 8.04 kg
Width: 151 mm
Height: 105 mm
Depth: 198 mm
Package width: 203.2 mm
Package height: 215.9 mm
Package depth: 247.7 mm
Package weight: 4.42 kg
Operating temperature (T-T: 0 - 40 °C
Operating relative humidity (H-H: 0 - 90%
Q&A
Reviews
Product Video

CyberPower RB1290X3B UPS Replacement Battery

$242.00
$202.99
Add to Cart

RELATED PRODUCTS

Looking for more CyberPower products? Shop the full CyberPower catalog →

System Design, Deployment & Technical Support

Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.

Fixed scope • Fixed price

System Design Assistance

  • Get help validating product compatibility
  • Coverage requirements
  • Storage planning and deployment architecture before you buy.
Request Design Help

Deployment & Configuration Support

  • Access fixed-scope support for rollout planning
  • User setup guidance
  • Migration and system standardization across single-site or multi-site deployments
View Support Services

Guides, Tools & Calculators

  • PoE requirements
  • Storage retention
  • Camera selection and deployment methodology
Open Technical Resources
!