Electricity core connection structure and battery

The utility model discloses an electricity core connection structure and battery, wherein, electric core connection structure is including being used for connecting the electrical drainage that leads of two electric cores, all seting up the electric core utmost point post that is groove structure on each electric core, and the material of leading electrical drainage is the same with the material of electric core utmost point post, and electrical drainage is led to the opening orientation of electric core utmost point post, and leads and set up the connecting hole that corresponds with electric core utmost point post on the electrical drainage, and the bolt passes the connecting hole and inserts to electric core extremely in the post, bolt and lead electrical drainage welded fastening. The utility model discloses a with the bolt with lead electrical drainage welded fastening, can avoid the bolt to take place not hard uply because of vibrations, prevent that the bolt breaks away from out from electric core utmo