Sampling assembly, battery and electric device

The utility model discloses a sampling assembly, a battery and a power utilization device, the sampling assembly is used for a battery module in the battery, the battery module comprises a plurality of battery packs, each battery pack comprises at least two battery monomers stacked in the vertical direction, and the sampling assembly comprises a plurality of connecting pieces used for electrically connecting the battery monomers; and the at least one positioning piece comprises a base plate and an insertion part, the insertion part is formed on the surface, facing the battery monomers, of the base plate, and the insertion part can be inserted between two adjacent battery monomers along the vertical direction, so that the connection stability of the connecting piece and the battery monomers is improved, and the electric connection stability between the battery monomers and the safety performance of the battery can be improved. 本申请公开了一种采样组件、电池及用电装置，采样组件用于电池中的电池模块，电池模块包括多个电池组，电池组包括至少两个沿竖直方向堆叠的电池单体，采样组件包括：多个连接件，用