Picture of a disassembled Duracell 9v battery. Below the terminal assembly is a clear plastic case where you can see six sets of stacked rectangular terminals and fillings.

  • perviouslyiner@lemm.eeEnglish
    151·
    11 months ago

    Better use of space - they used to be just six coin cells with a load of empty space for a wire to connect the top connector to bottom of the stack