[sdiy] Lithium batteries & corrosion (Was: Retaining button state after power off?)

[KA4HJH]

On Feb 3, 2014, at 7:46 AM, Andre Majorel wrote:

> On 2014-02-01 23:20 +0100, Roman Sowa wrote:
> 
>> And as a side note about Polysixes, as I did a few myself - always
>> replace the NiCad with a socket for CR2032. That one does not leak,
>> and works for decades. I have seen 30-year old synths with lithium
>> battery still in fair condition. So battery is not a bad thing in
>> general, NiCad is.
> 
> I've seen blue-green corrosion around the CR2032 in a DX7.
> Whether it's leaking or something else, I don't know. But it
> doesn't make me want to put batteries inside equipment if I can
> avoid it. Even lithium ones.


Leaking electrolytic capacitors will also do it.


Terry Bowman, KA4HJH
"The Mac Doctor"