A power storage device includes a plurality of power storage modules, a case, a monitoring unit, and an attachment bracket. Each of the power storage modules includes a plurality of power storage cells. The power storage modules are arranged side by side in an orthogonal direction. The monitoring unit is disposed between the case and the power storage modules. The monitoring unit includes a housing made of resin. The case includes a partition wall made of metal and an outer-side covering portion made of metal. The partition wall includes a lateral-side covering portion. The attachment bracket includes an upper-side covering portion that covers an upper side of the monitoring unit.

An electronic device may include the first housing facing the first direction, the second housing fastened to the first housing to face the second direction opposite to the first direction and including the battery disposition space open toward the second direction and the plurality of first insert portions that are apart from each other on the periphery of the battery disposition space along a circumference of the battery disposition space, and the cover fastened to the second housing to cover the battery disposition space, the cover including the first cover including the first material and the second cover including the second material and coupled to the first cover from the second direction, wherein the first cover may include the plurality of first hook structures provided at locations corresponding to the plurality of first insert portions and configured to fasten the second housing to the cover by being inserted into the plurality of first insert portions.

A battery pack having a battery housing that defines a cavity for receiving a plurality of battery cells. The battery pack cavity is sealed from the air outside the battery pack housing to prevent water and other contaminants from reaching the plurality of battery cells. The battery pack may include a sealing material to create a seal between an upper housing and a lower housing of the battery housing. The battery pack also include a sealing material to create a seal around a terminal block of the battery pack.

The present invention relates to a battery housing for a vehicle battery, comprising at least two wall elements, stacked one above the other in a stacking direction, in order to form in each case a housing wall, wherein each wall element comprises a pair of a through bore and a threaded bore, arranged next to the through bore in a plane perpendicular to the stacking direction, for screwing on a wall element which is directly adjacent in the stacking direction, wherein the threaded bores and through bores are arranged alternately one above the other with reference to the stacking direction; it moreover relates to a vehicle battery with such a battery housing.

The present invention relates to a battery housing for a vehicle battery, comprising at least two wall elements, stacked one above the other in a stacking direction, in order to form in each case a housing wall, wherein each wall element comprises a pair of a through bore and a threaded bore, arranged next to the through bore in a plane perpendicular to the stacking direction, for screwing on a wall element which is directly adjacent in the stacking direction, wherein the threaded bores and through bores are arranged alternately one above the other with reference to the stacking direction; it moreover relates to a vehicle battery with such a battery housing.

A vehicle battery mounting structure includes a battery case, which has a reinforcing member disposed between battery modules therein. The mounting structure includes battery side members, which have a plurality of closed cross-sections, are provided on opposite sides of the battery case, respectively, and are coupled to lower sides of frame side members. The mounting structure further includes a middle through-fastener, which extends through the reinforcing member of the battery case and is coupled to a vehicle body cross member.

A vehicle battery mounting structure includes a battery case, which has a reinforcing member disposed between battery modules therein. The mounting structure includes battery side members, which have a plurality of closed cross-sections, are provided on opposite sides of the battery case, respectively, and are coupled to lower sides of frame side members. The mounting structure further includes a middle through-fastener, which extends through the reinforcing member of the battery case and is coupled to a vehicle body cross member.

The present application provides a battery and an electrical apparatus with good heat dissipation performance. The battery includes: an air-cooling structure including a body and at least one air duct penetrating the body in a first direction; and a plurality of battery cells, wherein the plurality of battery cells are cylindrical, axes of the plurality of battery cells are parallel to the first direction, and the plurality of battery cells are arranged around the air-cooling structure; and the air-cooling structure is configured to discharge heat generated by the plurality of battery cells with air introduced into the air duct.

The present application provides a battery and an electrical apparatus with good heat dissipation performance. The battery includes: an air-cooling structure including a body and at least one air duct penetrating the body in a first direction; and a plurality of battery cells, wherein the plurality of battery cells are cylindrical, axes of the plurality of battery cells are parallel to the first direction, and the plurality of battery cells are arranged around the air-cooling structure; and the air-cooling structure is configured to discharge heat generated by the plurality of battery cells with air introduced into the air duct.

The disclosure relates to a battery lower casing and a battery system. The battery lower casing comprises: a support frame comprising a plurality of fixing beams that are connected end to end to form an accommodating space, wherein each of two fixing beams opposite to each other comprises a fixing portion extending toward the accommodating space, each of the fixing beams comprises fixing tabs at a side of the fixing beam away from the accommodating space, and the battery lower casing is connected to a target object through the fixing tabs; and a bottom plate connected to the fixing beams.