charging post
#2
I don't know whether or not its easy, but thats pretty damn cool.
#3
Very insteresting. I take it that the battery is wired into the jack then out of the jack? I find that very interesting but would worry about shorting things out
#5
It really doesn't look like there would be a problem with shorting. The posts seem far enough apart and there doesn't appear to be anything that would be able to close the circuit.