CyberPower RBP0129 UPS battery Sealed Lead Acid (VRLA) 48 V

The CyberPower RBP0129 is a Sealed Lead Acid (VRLA) replacement battery pack designed for UPS systems that require a 48 V supply. The package includes four matched batteries in a compact black housing, offering a straightforward power-backup solution for controlled shutdowns and short-term operation during mains interruptions. The unit's physical dimensions and weight make it suitable for rack or cabinet installation where space and predictable performance are required.

Advantages

The VRLA chemistry provides maintenance-free operation and reduced risk of leakage compared with flooded cells. Supplied as a set of four batteries, the pack ensures voltage and capacity consistency across the string. The compact form factor and black finish allow discreet integration into existing equipment racks. Designed for compatibility with compatible UPS systems, it supports reliable power delivery for critical loads and helps preserve connected equipment during power outages.

Suitable for

• Replacement battery packs for 48 V UPS units
• Small server cabinets and network closets
• Telecommunications equipment and network switches
• Backup for workstations and perimeter security devices

Key specifications

• Battery technology: Sealed Lead Acid (VRLA)
• Nominal voltage: 48 V
• Number of batteries included: 4 pieces
• Product colour: Black
• Single unit width: 207 mm
• Single unit height: 67 mm
• Package dimensions (W×H×D): 365 × 165 × 480 mm
• Package weight (total): 10.9 kg

How to use

Before installation, verify that the UPS model accepts a 48 V external battery pack and follow the manufacturer's safety guidelines. Power down the UPS and disconnect it from the mains if recommended by the UPS documentation. Install the battery pack into the designated compartment or rack shelf, ensuring secure connections to the UPS battery terminals and correct polarity. After connection, allow the UPS to charge the new batteries according to the UPS's charging regimen and monitor the UPS status indicators to confirm normal operation.

Recommendations

Store and operate the battery pack in a dry, well-ventilated environment with ambient temperature within the range specified by the UPS manufacturer. Avoid exposing the batteries to extreme heat or freezing conditions. Periodically inspect terminal connections for corrosion and ensure the UPS firmware and charging parameters are compatible with sealed lead acid batteries to maximize service life.