> I can see that the battery in the A-112 needs to be replaced. There is
> some leakage on the top side and I have never had to remove the
> battery so I'm not sure what I'm looking at.
>
> Questions:
>
> How does one remove the battery

You have to desolder the old one and solder the new one.

> Does RadioShack sell replacements

I don't know. A 3.6V type is required with the same dimensions as the
existing type. For details please refer to the FAQ page of our website:
www.doepfer.com > FAQ > Lifespan of rechargeable batteries

> or do I buy one from Shawn

Analogue Haven should have them in stock.

Best wishes
Dieter Doepfer