[Elecraft] KX3 battery problems

[Gwen Patton]

If they are NiMH cells, did you set the minimum voltage in the menu to
8.5v? That might be what's shutting it off.

Still might be a good idea to buy new cells.

Gwen NG3P


On Thu, Dec 27, 2018, 6:54 PM Don Wilhelm <donwilh at embarqmail.com wrote:

> Robin,
>
> Can I assume those rechargable batteries are NiMH type?  While they are
> good, they do have a lifetime that is expressed in number of recharge
> cycles.  Personal experience has shown that the life of such batteries
> is in the vicinity of 3 to 4 years.
>
> It is often that the no-load voltage of a battery is OK, but as soon as
> you draw any current, it goes "belly up".  You can monitor the voltage
> of the pack with the KX3 alternate VFO B display.  Try to see the
> voltage after the KX3 shuts off.
>
> 73,
> Don W3FPR
>
> On 12/27/2018 4:40 PM, Robin Kiszka wrote:
> > Hi,
> >
> > Some time ago I purchased a KX3.
> > It is fitted with the battery pack and I have always used rechargeable AA
> > cells.
> >
> > I have the following situation...
> >
> > The radio turns on but after 2 seconds shuts down.
> > I have checked all cells and they are good 1.18 V.
> > The radio works fine when standard non-rechargeable cells are used.
> > The radio also works fine when using a PSU.
> > I have ensured the menu allows a minimum battery level of 8V, but it
> makes
> > no difference. The radio still shuts down.
> > When I kept the BAND- and AUTO TUNE buttons pressed, I get a blank
> display
> > with MC LTU on it ?
> >
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