[TechAssist] Re: Welding tabs on batteries
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 27 Aug 2004 16:29:49 -0500
I suspect those leads are welded on before the battery is assembled.
I have soldered on wires to new batteries like this.
Scrape the surface of the battery first to allow the solder to stick and
don't get too hot while soldering
Heat is not a good thing for batteries
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Ohio Consumer Electronics" <samurai@xxxxxxxxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, August 27, 2004 1:11 PM
Subject: [TechAssist] Welding tabs on batteries
> Hi folks,
> I just took my ailing laptop battery pack apart to see if I might be able
to
> rebuild it. Looks like it uses standard Li-ion cells and I've found a
> source for the cells. Looks like tin or stainless steel foil strips about
> 1/4" wide welded to the ends of the batteries. Anyone have any idea how
to
> weld the new batteries in?
> It looks like two small spot welds about 1-2mm apart on each tab. I'm
> visualizing two probes about that far apart pressing the tab against the
> battery and passing enough current between them to weld the tab on.
> I'm wondering if one of those old weller soldering guns could be used
if
> I made a set of probes to fit in place of the regular tip...
>
> Joel Jacobs
> Ohio Consumer Electronics
> Pickerington, Ohio
>
>
>
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