hey > > 3. Should a voltage always appear on the +/- terminals of the battery, > > or does that third pin need tickled in some way to get a voltage > > out? > > I had my battery out the other day when in similar circumstance, and > measured around 3V across the +/- terminals with no tweaking, so I > suspect that it should always appear.
the third lead is probably used to measure internal temperature to guarantee safe charging. a standard "3.7v" lipo battery should never be drained below 3.0v because it can damage the battery. a 0v reading is not good. the neo will be unresponsive if its battery is at or below 3v. brad

