Protective plate assembly for battery, battery and electric equipment

The utility model provides a protection plate assembly for a battery, the battery and electric equipment. The battery comprises a battery cell and the protection plate assembly for the battery. The battery cell is provided with a tab, and an accommodating space is arranged at one end adjacent to the tab. The protection plate assembly comprises a protection plate and a conductive piece electrically connected to the protection plate, the protection plate is arranged in the containing space, and at least part of the conductive piece is arranged on the target side wall of the protection plate in the first direction. And the part, arranged on the target side wall, of the conductive piece is correspondingly and electrically connected with the tab. According to the battery provided by the utility model, the connection area of the tab and the conductive piece is transferred to the side wall of the protection plate, so that the occupation of the thickness space of the protection plate is reduced, the mounting space of the battery cell can be increased, and the energy density of the battery is favorably improved.