I had a similar device fail a couple months ago. I was expecting a high ene=
rgy cap or a
rechargable battery and was very surprised that the "storage" component was=
 a 2032
coin cell. I replaced it with a 2032 CMOS backup battery from an junked PC.

w..

alan.b.pearce@stfc.ac.uk wrote:

> I have an LED torch that gets its power from being wound up. It has died,=
 and now won't charge up by winding, well winding produces voltage, but it =
won't retain charge. Had a look inside it, the generator produces about 12V=
 when wound, but the capacitor looking piece immediately drops back to abou=
t 3V when you stop winding.
>
> Does anyone know what is used for energy storage in these? The device in =
it looks like a capacitor, marked
>
> 3.6V 80mAh
> 12hr 8ma
>
> >From the way the voltage across it drops back to almost nothing I'm gues=
sing it has gone AWOL.
>
> --
> Scanned by iCritical.
>
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist

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