The invention relates to a battery and a battery manufacturing method. The battery comprises a battery cell (1), wherein the battery cell (1) includes a battery cell body (11) to be charged and discharged and an electrode soldering portion (12) arranged at the end portion of the battery cell body (11) and including a plurality of current collectors arranged in a first direction; and an electrode (2) including a connection portion (21) soldered to the electrode soldering portion (12), wherein the connecting portion (21) includes two portions located at both ends of the electrode soldering portion (12) respectively in the first direction and used for clamping the electrode soldering portion (12). By applying the technical solution of the invention, the problem is improved that the electrodesoldering quality of the battery in the prior art is difficult to control.