CyberPower RB1290X3L UPS Replacement Battery Cartridge

Overview

The CyberPower RB1290X3L is a replacement battery cartridge designed to restore the backup power capacity of compatible CyberPower UPS units. It contains three 12-volt sealed lead-acid batteries rated at 9 amp hours each, pre-wired and housed in a leak-proof case for easy installation without the need for special tools. This cartridge is ideal for rack-mounted servers, point-of-sale systems, and home office network equipment that require reliable power protection.

Key features

• Pre-assembled battery cartridge that slides into the UPS for quick and hassle-free replacement
• Leak-proof housing eliminates the need for regular fluid checks and reduces maintenance time
• Compatible with CyberPower OL1000RTXL2U, OL1500RTXL2U, and BP36V60ART2U external battery pack models
• Reusable packaging included to facilitate responsible recycling and compliance with disposal regulations
• Maintains original factory specifications to ensure accurate runtime and charge level reporting by UPS firmware
• Backed by an 18-month limited warranty for dependable performance and peace of mind

Key specs

• Battery type: sealed lead-acid
• Voltage: 12 volts per battery, three batteries per cartridge
• Capacity: 9 amp hours per battery
• Dimensions: 13.1 x 7.6 x 3.2 inches
• Weight: 18 pounds
• Compatible models: OL1000RTXL2U, OL1500RTXL2U, BP36V60ART2U
• Warranty: 18-month limited

Installation and setup

The RB1290X3L cartridge is designed for straightforward installation, allowing users to replace the battery pack without special tools or complicated procedures. Its pre-wired design means you simply slide the cartridge into the UPS or external battery pack, restoring full backup capacity quickly. This ease of replacement minimizes downtime and helps maintain continuous power protection for critical equipment.

Ideal uses and environments

This replacement battery cartridge is well suited for IT professionals and small business owners who rely on CyberPower UPS systems to protect servers, point-of-sale terminals, and network devices. It fits well in data centers, retail environments, and home offices where uninterrupted power is essential to safeguard data and maintain operations during outages.