Hey, pal, do you need some energy to start your productive Monday? Imagine, you can get it from our Minimal Battery cursor pack. By the way, do you know how this thing works? This electric power source consists of one or more electrochemical cells with external connections for powering electrical devices. When a battery supplies energy, its positive terminal is the cathode, and its negative terminal is the anode. The terminal marked negative is the source of electrons that will flow through an external electric circuit to the positive terminal.