Battery transportation protection device

A battery transportation protection device, comprising:

• a case, comprising a case cover and a case body, wherein the case body has a first opening, and the case cover covers the first opening to define, together with the case body, a first accommodation cavity for accommodating a battery, a second accommodation cavity is formed inside the case cover, a pressure relief channel is formed inside the case cover, and the pressure relief channel is in communication with the first accommodation cavity and configured to discharge gas from the first accommodation cavity;
• and
• a plurality of pressure relief modules disposed in the second accommodation cavity and arranged in two rows, wherein each of the plurality of pressure relief modules is provided with a smoke inlet and a smoke outlet at two ends, respectively, an axis of the smoke inlet is parallel to an axis of the smoke outlet, the pressure relief channel is formed inside each of the plurality of pressure relief modules, and connects the smoke inlet and the smoke outlet of the each of the plurality of pressure relief modules;
• wherein:
• the plurality of pressure relief modules in each of the two rows are arranged along a first direction;
• the two rows are spaced apart along a second direction, and the first direction is perpendicular to the second direction;
• and
• a projection of the smoke inlet on a plane perpendicular to the second direction and a projection of the smoke outlet on the plane perpendicular to the second direction overlap with each other.