Sorry, I don't know how to limit the piston extension. But I can fix the other problem!
I strongly recommend limiting the piston extension. And improve deco. And form. And remove that huge badly made logo. And in general -1.
Also that was a test and I was coming back to it some time later to fix it.
i never wrote that are you hacking?? this is private
I has infinite energy. It also stores it.
Just, no. this is a spark loop. not a battery.