CyberPower RB1290X2 UPS Replacement Battery Cartridge, Maintenance-Free, User Installable, 12V/9Ah , Black

CyberPower RB1290X2 UPS Replacement Battery Cartridge, Maintenance-Free, User Installable, 12V/9Ah , Black

$101.04 ★★★★½4.6(366 reviews)

*Price sourced from Amazon.com. Last updated 2026-04-25. Price and availability subject to change.

The RB1290X2 UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X2 contains two 12V/9AH 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 RB1290X2 comes with instructions, recycling information, and an eighteen-month warr…

Key Features

  • The CyberPower RB1290X2 UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries; It comes with two 12V/9Ah sealed lead-acid batteries
  • SEALED LEAD-ACID BATTERIES: Supplies high surge currents, provides robust power-to-weight ratios, and cost effective; MAINTENANCE-FREE BATTERY FLUID: Never requires replacement
  • USER-INSTALLABLE CARTRIDGE: Allows for quick and convenient installation; each cartridge is pre-assembled; The RB1290X2 comes in reusable packaging for delivering expired batteries to recycling centers
  • Compatible with these CyberPower models: BRG1350AVRLCD, BRG1500AVRLCD, LX1500GU, CP1350AVRLCD, CP1500AVRLCD, CST150XLU
  • 18-MONTH WARRANTY: Covers defects in materials and workmanship in the product under normal use and conditions within eighteen months of the purchase date

Full Specifications

BrandCyberPower
ColorWhite
Runtime5 hours and 15 minutes
Voltage125 Volts
Wattage108 watts
Amperage9 Amps
Unit Count1 Count
Form FactorBattery
Model NumberRB1290X2
Input Voltage12 Volts
Built-In MediaBattery
Connector TypeIEC 320
Output Current9 Amps
Output Voltage12 Volts (DC)

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CyberPower RB1290X2 UPS Replacement Battery Cartridge, Maintenance-Free, User Installable, 12V/9Ah , Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-25. Price and availability subject to change.

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$101.04
4.6★ (366)
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