BATTERY AND ELECTRICAL DEVICE

This application discloses a battery and an electrical device. The battery includes: a box, where an accommodation cavity is disposed in the box; a battery cell, disposed in the accommodation cavity, where the battery cell is provided with a pressure relief mechanism; and a support beam, where the support beam is disposed in the accommodation cavity, the support beam is provided with a liquid discharge cavity and a liquid inlet, and the liquid inlet communicates to the liquid discharge cavity so that a liquid in the battery cell discharged into the accommodation cavity through the pressure relief mechanism is able to be discharged from the liquid inlet into the liquid discharge cavity.