BATTERY CELL, BATTERY MODULE, BATTERY PACK AND ELECTRICAL APPARATUS

This application provides a battery cell, a battery module, a battery pack and an electrical apparatus. The battery cell includes a cell structure and a temperature detection assembly. The temperature detection assembly includes a holder and a temperature detector. The cell structure is fixed to the holder which defines a receiving recess, and the temperature detector configured to collect temperature data of the cell structure is at least partially received in the receiving recess.