Button battery steel shell structure and battery

The utility model relates to the technical field of batteries, in particular to a button battery steel shell structure and a battery, the button battery steel shell structure comprises an outer steel shell and a lead, the lead is arranged on the outer steel shell, and the lead is used as a tab or a lead. The battery also comprises a roll core, a first tab and a second tab, the roll core is arranged between the inner steel shell and the outer steel shell, the first tab and the second tab are respectively connected with the roll core, the first tab is connected with the inner steel shell, and the second tab is connected with the outer steel shell. According to the steel shell structure of the button battery and the battery, the lead is arranged on the outer steel shell, so that the outer steel shell can be welded with a protection plate, the condition that a welding point is overheated is avoided, the phenomenon that a sealing ring of the battery is overmelted in a program can be avoided, and liquid leakage of