[sdiy] Alpha Juno battery replacement

[Adam (synthDIY)]

> On 2 Sep 2026, at 11:25, Jimmy Moore via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> Thank you!!!  just removed mine.
> 
> Syntaur looks to be backordered with replacements.  can anyone recommend an alternative solution?  Preference for a battery that isn't spot welded to the clip.


Can't you just solder some wires and put the battery holder wherever it will fit (insulated of course)?

A




> 
> On Tue, Sep 1, 2026 at 2:06 PM Richie Burnett <rburnett at richieburnett.co.uk <mailto:rburnett at richieburnett.co.uk>> wrote:
>> Just changed the battery in my Roland Alpha Juno 2 that was likely 40 years 
>> old!  The old Sanyo CR2032 coin cell looked fine from the top (+) side, 
>> measured 3.295v and hadn't shown any battery warning message on the synth's 
>> display.  In fact it's terminal voltage was higher than my brand new 
>> Panasonic CR2032s that both measured 3.278v.  However, when I de-soldered it 
>> the hidden underside was covered in tiny crystals and green crud (>.<) 
>> Looks like I got there just in time!  So, don't wait for the low battery 
>> message, or visible corrosion, and don't wait for 40 years before changing 
>> it!!!
>> 
>> For anyone with an Alpha or MKS-50 there's an excellent step-by-step guide 
>> here:
>> 
>> https://llamamusic.com/mks50/MKS-50_battery_replacement.html
>> 
>> -Richie,
>> 
>> 
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