The stock Nicad cells from Olympus may run you over $60 for the part.
John
mahlon.r.haunschild@xxxxxx wrote:
> I've got the same problem with my NiCad Control Pack 1, but I'm going to
> replace the battery insert with NiCads as before to avoid charger
> incompatibility problems. I'll be calling Digi-Key and Olympus today to
> find out pricing and availability, and relay this to the list. Digi-Key
> makes custom NiCad batteries out of individual (Panasonic) cells; Olympus
> would be, of course, a stock part.
>
> By the way...one thing that I noticed about the stock battery pack is that
> it is made up of really cheap cells. The vent "valve" in each cell is
> actually a metal diaphragm situated in front of a metal point. when the
> cell overtemps or overpressures, the diaphragm expands and impales itself
> on the metal point, releasing the pressure but also allowing the battery
> electrolyte (potassium hydroxide, if I remember correctly) to seep out of
> the cell over time, eventually rendering the cell useless, not to mention
> getting KOH all over the place.
>
> Better NiCads (such as the Panasonics, Sanyos and, believe it or not, Radio
> Shacks) use a re-sealing poppet valve arrangement, which re-seals the cell
> after an overpressure.
>
> Your mileage may vary, of course. Regards,
>
> Mahlon
>
> ---------------------------------------------------------------------------
> ---
>
> Date: Sun, 11 Oct 1998 13:58:57 +0200
> From: Richard Schaetzl <Richard.Schaetzl@xxxxxxxxxxxxxxxxxxxx>
> Subject: Re: [OM] Control Pack 2
>
> Steve Roman wrote:
> >
> > I have a NiCd Control Pack 2 and the batteries have had it. Can a
> > mechanically inclined person replace them. If so what is the best way to
> > open the pack. Best batteries to replace the old with? Advice?
>
> There is an description in the FAQ maintained by R. Lee Hawkins. I guess
> you will find an link on Shawns home page.
>
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