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Product specifications

CyberPower RB1290X4J UPS battery Sealed Lead Acid (VRLA) 12 V 9 Ah

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4, 12 V / 9 Ah, Sealed Lead-Acid Battery, 0 – 90 %, 0 – 40 °C

Part RB1290X4J · UPC 649532619825

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About this product

The RB1290X4J UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X4J contains four 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 RB1290X4J comes with instructions, recycling information, and an eighteen-month warranty.

Sealed Lead-Acid Battery

Supplies high surge currents, provides robust power-to-weight ratios, and is cost-effective.

Maintenance-Free Battery Fluid

Never requires replacement.

Leak-Proof Casing

Protects the sealed lead-acid battery and prolongs battery life.

User-Installable Cartridge

Allows for quick and convenient installation; each cartridge is pre-assembled.

Reusable Packaging

Provides for conveniently delivering expired batteries to a recycling center. After installing the new cartridge, place the old one in the reusable packaging.

OEM Certified

CyberPower batteries meet or exceed original manufacturer specifications.

Eighteen-Month Warranty

Covers defects in materials and workmanship in the product under normal use and conditions within eighteen months of the purchase date. See warranty for details.

WARNING:

This product can expose you to chemicals including Lead and lead compounds and Styrene, which are known to the State of California to cause cancer, and Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm.

Manufacturer warranty information

18 Month Limited Warranty

Features

Battery voltage
12 V
Battery capacity
9 Ah
Number of batteries included
4 pc(s)
Product colour
Black
Compatibility
PR1500RT2U, PR1500RTXL2U, PR2000RT2U, PR2000RTXL2U, PR2200RT2U, PR2200RTXL2U, PR3000RT2U, PR3000RTXL2U, PR1500RT2UN, PR1500RTXL2UN, PR2000RT2UN, PR2000RTXL2UN, PR2200RT2UN, PR2200RTXL2UN, PR3000RT2UN, PR3000RTXL2UN

Battery

Battery technology
Sealed Lead Acid (VRLA)

Weight & dimensions

Weight
10.9 kg
Width
208 mm
Height
66 mm
Depth
315 mm

Packaging data

Package width
365.8 mm
Package height
165.1 mm
Package depth
480.1 mm
Package weight
11.9 kg

Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License

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