On Mon, Jan 23, 2006 at 01:32:53AM +1300, Jinx wrote:
> > by lithium coin cells, that would be designed to count for at least 10
> > years, perferably 50-100
> 
> At nA you'll be expecting around the shelf-life, which is ~ 10 years
> for lithium to drop to 70%. Voltage output is quite stable for most
> of its life though

I've seen that figure a few times, and one of 0.5% capacity loss per
year.

I'm curious though... Does that 70% figure apply to the total capacity,
or voltage? IE if I can tolerate a lot of capacity wasted from
self-discharge, would my actual usable shelf-life be longer?

-- 
pete@petertodd.ca http://www.petertodd.ca
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