JP>   The fact that the cell in the Air is soldered in will keep me
JP>saying that it is not replaceable.  Do not have here a wave solder
JP>bath and my 15 W iron is too large for this work, thus my saying so.

 HG> Actually a 15 W iron is too small. You really need a 25 W or above

hehehe, his 15 watt iron is physically too large... big huge pencil sized
tip... yes, it is underpowered, too ;)

 HG> to quickly heat up the solder point on the battery without heating
 HG> up the entire cell to the melting point. That means disaster for
 HG> the cell. 

i have a super fine point that i used to use for everything but it is even
2 or 3 times to large for most surface mounted stuff these days... i used
to solder chips at one pin per second or faster with that iron :) nowadays,
i need a needle point iron and a high magnification glass to be able to do
that work i used to do with the Mark I eyeballs :?

)\/(ark