Battery, electric equipment, and method and equipment for preparing battery

The invention provides a battery (10), electric equipment, and a method and equipment for preparing the battery (10). The battery (10) comprises: a plurality of battery cells (20) arranged along a first direction, each battery cell (20) comprising a first wall (201) and a second wall (202), the first wall (201) being a wall with the largest surface area in the battery cells (20), the second wall (202) being connected to the first wall (201); the partition plate (101) extends along the first direction and is connected with the first wall (201) of each battery cell (20) in the plurality of battery cells (20); the mounting wall (204) is connected with the second wall (202) of each battery single body (20) in the plurality of battery single bodies (20), when the battery single bodies (20) are arranged on the electric equipment, the battery single bodies (20) are located below the mounting wall (204), and the mounting wall (204) is used for mounting the battery single bodies (20). According to the technical scheme of the embodiment of the invention, the performance of the battery (10) can be improved.