This genuine APC Replacement Battery Cartridge is tested and certified for compatibility to restore UPS performance to the original specifications. 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. APC RBCs maintain UPS safety certifications (UL, VDE, CSA) and lifetime equipment protection policy (as applicable).