The BBU Shelf is a device designed to provide backup power, ensuring that servers and other critical equipment can continue tooperate in the event of a main power failure or a short-term power outage, preventing data loss and system downtime. The BBUShelf mainly consists of two types of modular components: the BBU unit and the PMC unit.

The BBU unit is equipped with an integrated battery pack and a high-efficiency power converter, providing backup power for theserver system. The PMC unit provides monitoring and management functions for the BBU shelf. The modular design makes theBBU Shelf very convenient to use and maintain.