If they really are 1.7v and there are four of them in the light, that
would make for 0.8v over spec on the circuit and I, personally, wouldn't
do that. Instead, I would get the lithium cells that are 1.5v and
use them. Don't assume all lithium cells will have the same voltage -
there are multiple lithium chemistries and they have different voltages.
See:
http://en.wikipedia.org/wiki/Lithium_battery
for an obsessive amount of detail.
-Doug Shaker
At 08:27 AM 8/28/2008, you wrote:
>On Wed, Aug 27, 2008 at 11:04 PM, Doug Shaker <[EMAIL PROTECTED]> wrote:
>
> > LED can be knocked out by over-voltage, but I don't think the
> > two-tenths of a volt going from the 1.5 of one alkaline to the 1.7v
> > you mentioned for lithium is likely to do it. However, the lithium
> > AA cells I can find on-line aren't 1.7 volts, they are 1.5 volts
> > and they should be no problem at all. None.
>
>Assuming they are 1.7V, wouldn't the usual four of them in series make
>for 0.8V more?
>
>
>--
>Andrew Eichmann
>Narragansett, RI
>
>
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