The APC Replacement Battery Cartridge #27 (RBC27) is a sealed lead-acid battery that provides a maintenance-free solution for your uninterruptible power supply (UPS) needs. With a capacity of 864 VAh, this battery is engineered to deliver dependable power and has an expected lifespan of 3 to 5 years. It is compatible with various APC Smart-UPS models, including SU2200RMXL3U, SU3000RMXL3U, and SU48R3XLBP. The RBC27 features hot-swappable capabilities, allowing for easy replacement without downtime. Each cartridge comes with the necessary instructions and connectors for straightforward installation. Additionally, APC promotes environmental responsibility by recycling used batteries and offers a 1-year warranty on each cartridge, ensuring peace of mind for users.