>Uhm, dont do any soldering directly on lithium coin
>batteries... they are rumored to explode when getting to hot.
I can testify that they don't like heat guns. And the stuff inside doesn't taste very good.
Battery holders are great. I ended up doing mine with a cordless phone battery last time around, sortof biggish bit us wrapped in plastic, rechargable, and I used some wire to move it away from the motherboard.
