From the submitter:
I was traveling in China for 2 weeks, and had brought a spare camera battery, but no charger. Borrowed a friend's charger, found some wire, and voila.
"Some say rust and electronics don't go together. Some say you must properly ground old electronics. I say that having a ungrounded, old, rusty 1300 RPM propeller near my head is better than being hot!"
Better you than me, buddy!