Battery

Abstract

A battery, characterized in that it comprises:a housing (1), wherein the upper wall of the housing (1) is provided with a through hole, and the bottom of the housing (1) is provided with an open end;a coil (2), wherein a first connection tab (21) and a second connection tab (22) are provided at the ends of the coil (2) in the axial direction of the coil (2);a first current collector plate (3) and a second current collector plate (4), wherein the first connection tab (21) is connected to the first current collector plate (3), and the second connection tab (22) is connected to the housing (1) via the second current collector plate (4);an output connection terminal (5) disposed in the through hole, wherein a connection terminal insulating member (7) is disposed between the output connection terminal (5) and the through hole, and wherein the connection terminal insulating member (7) insulates the output connection terminal in a sealed manner (5) from the housing (1), and where the output connection terminal (5) is connected to the first current collector plate (3);anda cover plate (6) closing the open end of the bottom of the housing (1), andan internal insulating element (8) located between the first current collector plate (3) and the inner upper wall of the housing (1);