> By permanent battery I mean a battery that can supply current indefinitely without needing to be charged. Yes, and there's no such thing. Also, they're not e

> By permanent battery I mean a battery that can supply current indefinitely without needing to be charged. Yes, and there's no such thing. Also, they're not equivalent to a permanent magnet. > The second law is meaningless. Well, since you aren't here to discuss physics, have a nice day.