FIG. 1-A is a schematic structural diagram of an electric apparatus according to some embodiments of this application.

FIG. 1-B is a schematic structural diagram of a battery according to some embodiments of this application.

FIG. 1-C is a schematic structural diagram of a battery module in a battery according to some embodiments of this application.

FIG. 1-D is a schematic structural diagram of battery cells in a battery module according to some embodiments of this application.

FIG. 2 is a schematic structural diagram of a fire prevention pipeline provided on a battery according to an embodiment of this application.

FIG. 3 is a partially enlarged view of a battery module in an embodiment.

FIG. 4 is a cross-sectional view taken along the line A to A in FIG. 3.

FIG. 5 is a cross-sectional view taken along the line B to B in FIG. 3.

FIG. 6 is a schematic diagram of connection between a fastener and a battery cell in an embodiment.

FIG. 7 is a schematic structural diagram of a fastener in an embodiment.

FIG. 8 is a cross-sectional view taken along the line C to C in FIG. 7.