battery desoldering advice

[Randy McLaughlin]

From: "Scott Stevens" <chenmel at earthlink.net>
Sent: Saturday, April 09, 2005 8:39 PM
> On Sat, 9 Apr 2005 00:25:22 -0500
> "Randy McLaughlin" <cctalk at randy482.com> wrote:
<snip>
>> I'm no expert but I've soldered directly onto batteries for years and
>> never had any problems.
>>
>> I use a soldering station and run it up to 850 degrees (F).
>>
>> I start by tinning the battery then using my finger rub spit on it to
>> cool it, people afraid to be crude can use a damp sponge.
>>
>> After I've tinned all of the battery ends I then can quickly tack
>> wires onto them running the soldering station at arount 750 degrees
>> (F).
>>
>> I run the temperature up high to reduce time spent applying heat to
>> the battery.
>
> I used to have some success using special silver solder.  It wets much
> better to the batteries.  It is intended for non-electric use, though,
> so the flux is very aggressive and must be cleaned completely off.
>
> But soldering to sealed batteries, especially lithium batteries, isn't
> that good an idea.  It's better to locate a connector for them.  There
> are connectors available for most coin-type batteries.
>
>> Randy
>> www.s100-manuals.com 

I've never soldered to a lithium battery just NiCads, alkaline, etc.

For coin cells I agree sockets are better.


Randy