. APC RBCs are safe reliable & 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 Key Product Info. Hot-swappable batteries Guaranteed UPS compatibility Long battery life Fully assembled for easy hot-swap installation Product Features Hot-swappable batteries Ensures clean uninterrupted power to protected equipment while batteries are being replaced. Guaranteed UPS compatibility Tested & approved to restore the performance of your APC UPS. Maintains UPS safety certifications (UL VDE CSA) & lifetime equipment protection policy (as applicable). Long battery life Designed by APC by Schneider Electric exclusively for APC UPS's for complete compatibility with the intelligent battery management system. Fully assembled for easy hot-swap installation APC RBCs are safe reliable & 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. What's in the box?. All required connectors Battery recycling guide Installation guide Reusable packaging