[sdiy] Alpha Juno battery replacement

[Michael E Caloroso]

Whoever installed the battery holder chose a poor quality part.  I have
plenty of gear where I installed battery holders that have performed
without fail, the oldest ~20 years old.

MC

On Wed, Sep 2, 2026 at 11:57 AM brianw <brianw at audiobanshee.com> wrote:

> My recommendation is to always replace with the original, welded pin
> battery.
>
> I have had way more trouble with synths and vintage electronics where
> someone used a battery holder, and the battery simply did not last as long.
> It might be due to oxidization or other factors. In addition, I've repaired
> synths where someone's job of tucking away a battery holder broke loose,
> and caused more damage.
>
> The soldered batteries are guaranteed to last 10 years, and easily will
> last 40 years. Just think of it like the valve adjustment on your internal
> combustion engine: It's a pain to disassemble the valve cover and make
> those adjustments, but proper maintenance requires that it be done
> periodically.
>
> These old synths deserve some maintenance every decade or so.
>
> Brian
>
>
> On Sep 2, 2026, at 3:09 AM, Richie Burnett wrote:
> > I initially intended to fit a battery holder in mine, but I couldn't
> find a pin compatible one.  There's also very little clearance between the
> components on the top of the main board and the keybed frame that it slides
> beneath!  In the end I just soldered another CR2032 with welded tabs
> directly to the PCB.  My local supplier had CR2032 options with short and
> long tabs, so I opted for the shorter leads to keep the profile down.
> >
> > I did think about tucking the battery away somewhere else (more
> accessible!) on flying leads but if the new battery lasts another 40 years
> it will see me out.
> >
> > -Richie,
> >
> >
> > -----Original Message----- From: BrightBoy via Synth-diy
> > Sent: Wednesday, September 2, 2026 4:27 AM
> > To: SDIY
> > Subject: Re: [sdiy] Alpha Juno battery replacement
> >
> > I've been saying for 30+ years that someone like Keystone Electronics
> needs to make a
> >
> > retrofit CR2032 battery holder that has the same lead spacing as the
> CR2032 batteries
> >
> > that have spot welded leads.
> >
> > BB
>
>
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