The invention discloses a battery cell, electronic equipment and a battery cell package method. The battery cell comprises a shell and a battery core, wherein the shell comprises a steel lower shell and a steel upper shell, insulation layers are arranged on surfaces of the upper shell and the lower shell, the lower shell and the upper shell are hermetically connected by welding to form a sealing cavity, a positive contact sheet and a negative contact sheet are arranged on the shell, the battery core is a laminated battery core, the laminated battery core is fixed in the sealing cavity, and a positive tab and a negative tab of the lamination battery core are respectively connected with the positive contact sheet and the negative contact sheet. The battery cell can be applied to the field ofthe electronic equipment; by matching of the steel shells and the lamination battery core, the battery core can be in various shapes and various sizes, various complicated installation spaces of theelectronic equipment can be adapted, so that maximum capacity of the battery cell is achieved; and the battery cell is high in strength of integral structure and is difficult to deform and get failure, and the battery cell is safe and reliable to use and can be repeatedly used after disassembly.