UPS battery CYBERPOWER RBP0128 — Sealed Lead Acid (VRLA), 48 V, 4 pcs, 9.5 kg, black

Replacement UPS battery pack CYBERPOWER RBP0128 provides a 48 V nominal voltage using Sealed Lead Acid (VRLA) technology in a compact black enclosure. The pack includes four batteries and is intended for installation in compatible uninterruptible power supply systems to restore or extend backup runtime and support critical loads. With a total weight of 9.5 kg and a form factor suitable for rack or cabinet installations, this battery pack is intended for service replacement and routine maintenance of UPS units.

Advantages

CYBERPOWER RBP0128 uses VRLA battery technology that allows installation without liquid maintenance and provides stable, predictable discharge behavior under UPS load conditions. The 48 V nominal voltage and four-cell configuration match many standby and line-interactive UPS architectures, enabling straightforward replacement and interoperability with compatible systems. The compact black enclosure and moderate weight simplify handling and mounting during service operations.

Suitable for

• Replacing depleted or aged battery packs in compatible UPS systems
• Extending backup runtime for network equipment, servers and telecom devices
• Rack or cabinet installations where a compact 48 V battery pack is required
• Preventive maintenance programs for uninterrupted power systems

Key specifications

• Battery technology: Sealed Lead Acid (VRLA)
• Nominal voltage: 48 V
• Number of batteries included: 4
• Colour: Black enclosure
• Weight: 9.5 kg

How to use

Before replacing batteries, power down the UPS according to the manufacturer's service instructions and isolate the unit from mains power. Observe correct polarity and connector alignment when installing the CYBERPOWER RBP0128 pack into the compatible UPS bay or compartment. Secure the enclosure in the rack or cabinet mounting location and reconnect the UPS to mains power. Allow the UPS to perform any required battery conditioning or charge cycle as specified by the UPS manufacturer before returning the connected load to full operation.

Recommendations

Store and operate the battery pack within the temperature and humidity ranges specified by the UPS manufacturer. Inspect connectors and mounting hardware for corrosion or damage before installation. Dispose of replaced batteries according to local regulations for lead-acid battery recycling.