Image may not reflect the actual item.
Price: $226.03
+ Free Shipping
Quantity:
In Stock: 6
Last Updated: Mar 11, 2026
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, PR750RT2UC
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 Replacement Battery Cartridge |
| 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 |
|
| Additional Information | |
| 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
