On  0, John Klos <john@sixgirls.org> wrote:

> That's pretty dead, even if it does work. Those batteries cost $10 at
> Radio Hack, so I usually buy a battery holder that takes two AAA
> batteries, attach it to the MB with double sided foam tape, and solder the
> wires onto the battery posts. Total cost is less than $3 USD, and the
> batteries last forever.

I'll try to find these 1/2 AA batteries. Or do what you suggested. But, with two AAA I only get 3V, not 3.6V of this 1/2 AA. Is there a problem with this?

And the two AAA batteries must be rechargeable, right?