The disclosure relates to the technical field of batteries and provides a cylindrical battery including a winding cell. The winding cell includes a winding cell body and a first tab extending from one side of the winding cell body. The winding cell body is...

A battery and a battery manufacturing method are provided. The battery includes a battery casing, a cell, a first insulating film, and a second insulating film. The cell is disposed in the battery casing and includes a cell body and a tab portion, and the ...

A battery includes a battery body having a body top surface, a body bottom surface, and a body side wall. The body side wall includes two oppositely disposed first side walls. Distance between outer surfaces of the two first side walls is L. First and seco...