> >Do you actually need a 12V supply ? LDO micro-current regulators
> >I've seen (MCP1700 for example, 1uA active) have an input limit of
> >6V or 10V
> >
> No, I DON'T need 12V. I don't WANT 12V

OK OK, only asked

> are small enough (except for the coin cells, which kind of defeat the 
> purpose of this enclosure.

3 x SR45 - 4.5V, 60mAh

http://www.atcbattery.com/index.cfm?fuseaction=browse&id=11826&pageid=98

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