APC RBC124 Replacement Battery Cartridge 24V 9Ah

APC RBC124 Replacement Battery Cartridge for Smart-UPS

Overview

The APC RBC124 is a sealed lead-acid replacement battery cartridge designed for APC Smart-UPS models requiring extended runtime and battery replacement. Data center engineers, network administrators, and IT maintenance personnel deploy this cartridge to maintain uninterrupted operation of UPS systems, ensuring connected servers, storage devices, and networking equipment continue to receive backup power during outages. The RBC124 addresses end-of-life battery replacement needs, preventing unexpected downtime and preserving the integrity of critical IT operations.

This cartridge provides a nominal 12V DC battery configuration, compatible with UPS models that utilize multiple series-connected RBC124 units to achieve the required voltage and runtime. Each battery unit is hot-swappable, allowing replacement without powering down the UPS or connected equipment, which is essential for maintaining operational continuity in live data center environments.

The RBC124 fits directly into compatible Smart-UPS units within rack-mounted or tower-form-factor environments. Installation typically occurs in server rooms, branch office IDF racks, or edge computing cabinets where access to the UPS front or rear panel is feasible. The compact design allows straightforward insertion and secure connection while maintaining airflow and clearance inside the UPS enclosure.

The battery cartridge integrates seamlessly with UPS monitoring and management systems. When installed, the UPS recognizes the cartridge automatically, providing runtime estimation, status updates, and end-of-life alerts through LCD panels or connected management interfaces. This integration supports preventative maintenance workflows and ensures battery replacements occur proactively rather than reactively.

This cartridge is not suitable for non-APC UPS models, high-voltage industrial UPS systems, or applications requiring non-lead-acid chemistries. Deployments requiring extended runtime beyond the RBC124’s specifications should consider larger battery strings or external battery packs designed for high-capacity Smart-UPS models.

Key Features

• 12V DC sealed lead-acid replacement battery
• Hot-swappable design for live UPS maintenance
• Compatible with multiple Smart-UPS 1000–3000VA models
• Automatic recognition and runtime integration with UPS
• Compact design for rack and tower UPS form factors

Technical Specifications