Just don't turn the charger on.  ;)

On Sun, Apr 1, 2018 at 13:33 Nr4c <n...@widomaker.com> wrote:

> Drop in 8 “Copper Tops” and enjoy the radio today!
>
> Sent from my iPhone
> ...nr4c. bill
>
>
> > On Apr 1, 2018, at 1:16 PM, Dauer, Edward <eda...@law.du.edu> wrote:
> >
> > Several replies suggested I check the voltage of the NiMH batteries as a
> first step.  Did so this morning, with an interesting result.   Of the
> eight (all are 2700 mAh Powerex NiMH 1.2 v nominal), the mean voltage was
> less than a half volt (0.45 VDC); the median and mode were each less than
> one tenth of a volt (0.06 VDC.)  The best of them was only 1.23 and 5 of
> them were at 0.06 VDC or a bit less.  So much for advertised shelf life.
> Seems that the KX3 draws some trickle current even when turned off.
> >
> > It might be they could be resuscitated with another charger, but Don
> Wilhelm wisely cautions against it.  With this deep a discharge, the
> charging current could be excessive without having a constant-current
> lab-type charger, which I don’t have.  Best to just replace the whole
> bunch.
> >
> > Of course I would learn this on Easter morning, when there are none for
> sale anywhere nearby.
> >
> > If replacing all eight doesn’t fix the error message I’ll post again
> with another plea for ideas.  Thanks, all, for the advice; have a great
> holiday weekend.
> >
> > Ted, KN1CBR
> >
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-- 
72,
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PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
for Scouting
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