The APC RBC11 Replacement Battery Cartridge is designed to provide dependable power backup for your critical devices. This maintenance-free sealed lead-acid battery features suspended electrolyte technology, ensuring a long lifespan of 3 to 5 years. With a battery capacity of 816 VAh, it is compatible with a range of APC UPS models including SU1400XLTNET, SU2200, and SU3000. The cartridge is hot-swappable, allowing for easy replacement without downtime. Its robust design includes two separate battery cells and is environmentally friendly, making it a sustainable choice for your power needs.