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[aprssig] Soldering To Coin Batteries

Dave Baxter dave at emv.co.uk
Tue Oct 23 08:39:05 UTC 2007


Or use conductive epoxy (silver loaded) or paint to attach the wires, as
the battery current is in the uA range, or salvage one from an old PC
motherboard, & never need to mess about again there after.

73

Dave G0WBX. 

> -----Original Message-----
> From: Scott Miller [mailto:scott at opentrac.org] 
> Sent: Sunday, October 21, 2007 11:04 PM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] Soldering To Coin Batteries
> 
> I think they're typically spot-welded, not soldered.  At 
> least, they had battery tab spot welders on display at the 
> show I was just at.
> 
> Just buy one with solder tabs - they're about a buck at Digi-Key:
> 
> http://rocky.digikey.com/WebLib/Panasonic/Web%20Photos/New%20P
> hotos/CR2032-1F4.jpg
> http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?na
> me=P245-ND
> 
> Scott
> N1VG
> 
> 
> Ray McKnight wrote:
> > I need to replace the backup battery in my PK-232MBX.
> > 
> > The battery has leads which solder to the circuit board although
> > 
> > It's a standard CR2032 lithium.  Am I at risk of the 
> battery exploding
> > 
> > Or something if I solder leads on the new battery?  Suggestions?
> > I see no other easy way around this, but from the price RatShack 
> > charges for them I don't want to ruin it in the process.
> > 
> >  
> > 
> > 73's
> > 
> > Ray - WB3ABN
> > 
> > Kingston, WA
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