Genuine APC RBC(TM) are tested and certified for compatibility to restore UPS performance to the original specifications. Includes Installation guide Tested and approved to restore the performance of your APC UPS. Maintains UPS safety certifications (UL, VDE, CSA) and lifetime equipment protection policy (as applicable). Designed by APC by Schneider Electric exclusively for APC UPS's for complete compatibility with the intelligent battery management system. APC RBCs are safe, reliable and contain a minimum number of connections saving valuable time. Because APC RBCs are hot-swappable, no network downtime is required in order to install them.