CYBERPOWER 

CYBERPOWER RB1250X4 REPLACEMENT BATTERY

Mfg Part Number:  RB1250X4  
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Price: $226.03 + Free Shipping
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Dec 04, 2025
No Sales Tax except these states
, PO and Wire.
The RB1250X4 UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1250X4 contains four 12V/5Ah batteries, certified to meet or exceed original manufacturer specifications. This leak-proof, sealed lead-acid battery never requires replacement fluid. The pre-assembled cartridge installs easily into your CyberPower UPS system and is shipped with reusable packaging for delivering expired batteries to a suitable recycling center. The RB1250X4 comes with instructions, recycling information, and an eighteen-month warranty.

UPS Compatibility
PR750RT2U

Main Specification
General Information
Manufacturer CyberPower Systems, Inc
Manufacturer Part Number RB1250X4
Manufacturer Website Address https://www.cyberpowersystems.com/
Brand Name CyberPower
Product Series UPS Replacement Batteries
Product Model RB1250X4
Product Name RB1250X4 Battery Kit
Product Type Battery Kit
Technical Information
Battery Characteristics Leak Proof/User Replaceable
Battery Chemistry Lead Acid
Battery Capacity 5000 mAh
Output Voltage 12 V DC
Physical Characteristics
Height 2.8"
Width 8"
Depth 9.1"
Weight (Approximate) 15 lb
Miscellaneous
Package Contents
  • RB1250X4 Battery Kit
  • Installation Guide
  • Recycling Information
Additional Information Number of batteries: 4
Compatibility CyberPower PR750RT2U UPS System
Warranty
Limited Warranty 18 Month
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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