Thanks for the advice.  I desoldered the battery and found a small area of 
corrosion on the negative terminal next to the PCB that I missed on my initial 
look.  I am now awaiting the replacement.

Patrick

> On Nov 11, 2021, at 9:08 AM, Jeffrey Birt <[email protected]> wrote:
> 
> I suggest replacing the battery if you are going to be using the machine or 
> at least removing it at this time is you will not be using the machine. When 
> (not if) they leak the damage can be catastrophic. They are 30+ years old now 
> and on borrowed time.
> 
> I have the batteries in stock as does Arcadeshopper.
>  
> https://www.soigeneris.com/memory-backup-battery-mbat1 
> <https://www.soigeneris.com/memory-backup-battery-mbat1> (my shop)
>  
> Jeff Birt
>  
> From: M100 <[email protected] 
> <mailto:[email protected]>> On Behalf Of Patrick McDougal
> Sent: Wednesday, November 10, 2021 8:10 PM
> To: [email protected] <mailto:[email protected]>
> Subject: [M100] NiCd Battery
>  
> Hey all,
>  
> I am new to the group… I just bought a Model 100 on Ebay after a bit of 
> nostalgia for my T200 which I used through college in the 80s.
>  
> Anyway,  it powers up, has a good LCD, the keyboard is a bit sticky but the 
> machine was a bit dirty.  I disassembled it for cleaning and saw the NiCd 
> memory battery on the board.  Visually it is good shape but I have read that 
> they should “always be replaced or removed”.  I checked the voltage and it is 
> 4.04 volts.
>  
> I was hoping for some advice regarding my next step.  Replace?  Remove? Leave 
> it alone?
>  
> If replacement is recommended, can anyone suggest a good vendor for the part?
>  
> Thanks for any guidance,
>  
> Patrick

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