APC RBC31 Replacement Battery — UPS Cartridge #31

The APC Replacement Battery Cartridge #31 (RBC31) delivers genuine OEM quality for your critical UPS infrastructure, specifically designed for compatibility with APC Smart-UPS models SR11KXIET and SR12KXIET. This 48VDC VRLA battery assembly with 9Ah capacity arrives fully assembled and ready for immediate installation, ensuring your backup power systems maintain optimal performance without complex setup procedures. Backed by a 2-year warranty and tested for 100% compatibility with specified APC UPS units, this genuine replacement cartridge provides the reliability your network equipment and connected devices demand.

• Complete battery assembly with all required connectors and installation guide included for hassle-free replacement
• 3-5 year service life extending the useful life of your UPS investment while maintaining dependable backup power protection
• Lead-acid battery technology proven for consistent performance in mission-critical applications
• Reusable packaging and battery recycling guide supporting responsible disposal of your old battery cartridge
• Wide operating range supporting 0-40°C ambient temperatures and altitudes up to 10,000 feet

For businesses and IT professionals protecting Ubiquiti networking equipment and other critical infrastructure, using genuine APC replacement batteries ensures your UPS continues delivering the protection and runtime your systems require. The RBC31’s factory-tested compatibility eliminates the risk of fitment issues or performance degradation common with third-party alternatives, while the straightforward installation process minimizes downtime during battery replacement. Whether safeguarding your UniFi Dream Machine, core switches, or other essential network components, this genuine APC battery cartridge maintains the integrity of your backup power solution with proven reliability.