>Something hot enough to cause the Sodium Acetate to go into solution.
>Somewhere around the boiling point of water will provide the
>sufficient heat input to charge them up. Again, not something that
>is, generally speaking, overly useful in the application you're
>looking for. However, if you CAN find a way that works, is efficient,
>and isn't expensive, we'd like to know about it.
You could use a solar cooker. They are very cheap to make and can get very
hot, especially parabolic ones. There is a link to a solar cooker site from
the home power site http://www.homepower.com if any one is interested.
Matthew.