SYSTEM FOR MONITORING CONGESTION OF ACTIVATION TRAYS

An activation tray congestion monitoring system includes a tray transfer line for transferring a plurality of activation trays to an activation process and a subsequent process. A plurality of battery cells are accommodated in each of the plurality of activation trays, a master tray disposed between the plurality of activation trays and transferred along the tray transfer line, together with the activation trays, a position sensor included in the master tray and configured to detect a position of the master tray and transmit position data of the master tray, and a control unit configured to receive position data from the position sensor and monitor a position of the master tray in real time to identify a congestion section for each of the activation trays.