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Old 09-10-2005, 02:34 PM   #1
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Default Battery Welding?

Is there any one out there that would weld battereis like Fusion. I am trying to assemble 8 packs. If you or someoneyou know would weld packs with battery bones please contact me.

Thanks for the help
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Old 09-10-2005, 02:49 PM   #2
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Fusion solders packs....they don't weld them....just a different form of soldering....

I believe HyperForm and ProMatch use a similar soldering process and will assemble customer cells.....last I heard, Fusion will only do it on cells that they have matched...

Later EddieO
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Old 09-10-2005, 03:07 PM   #3
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welding burnss the inside of the cell
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Old 09-10-2005, 04:31 PM   #4
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From Fusions website.....

PATENTED Perfect SolderTM PROCESS Our race-ready packs are soldered using our special patented process for ULTRA-LOW PACK RESISTANCE. Patent #6,864,469

Their site can be found at: http://www.fusionbatteries.com
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Old 09-10-2005, 05:51 PM   #5
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please dont use the word "welding". it scares me...
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Old 09-10-2005, 11:16 PM   #6
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When I saw the title of this thread, it freaked me out...
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Old 09-10-2005, 11:25 PM   #7
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Quote:
Originally Posted by hpipro321
welding burnss the inside of the cell
I tried not to respond to this but after seeing it over and over I just couldn't help it...lol

Actually the industry standrd for connecting cells in series is the spot welding process. There are special welders that create very little heat on the case or button of the cell. It's actually less destructive to the cells than soldering (conventional soldering at least). The problem is that welding, while being more secure nad less destructive is also less efficient. I didn't believe that to be true so we tested some packs with virgin GP3300s and cycled them. We even double tabbed the welded pack to create more surface area for the connection- since as we all know electricity travels across the surface of the conductor, but the soldered pack was still better. In fact, the welded pack eventually started to feel very flat. I haven't figured that one out yet b/c the guy testing it is fairly intelligent, but I don't think he was traying the pack either...

If you have any doubts of my post, just get your good ol' Dewalt or Craftsman drill pack out and take the top off of it- you'll see for yourself. You guys didn't really think the sub C cell was developed just for R/C did ya? lol
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Old 09-11-2005, 12:15 AM   #8
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edited

John

Last edited by John Malin; 09-11-2005 at 01:48 AM.
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Old 09-11-2005, 12:24 AM   #9
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Hey John, YGPM...
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Old 09-11-2005, 01:18 AM   #10
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edited

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Old 09-15-2005, 09:18 PM   #11
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ive heard of this. ive heard that folks weld their pants on too
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Old 09-16-2005, 08:07 AM   #12
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Thanks BigDog, These guys were making me look a quack I went to a local Batteries Plus and they told me that Tack Welding is the industry standard. Not RC industry but battery industry. He said that this process has no heat that gets to the cell. I made this post because if there is not heat that gets to the cell than there is no driven up IR as a result of the heat. I figured that this sounded very good but I also figured that there must be something wrong with it because every one solders packs and no one in RC welds.

I have my answer regarding welding now. Thanks

But I still have a question if anyone assembles packs like Fusion for loose cells. I have a bunch of cells that I want for assembled as best a possible and I think that Fusion's way of doing it is the best. I know that their way of doing it is patented but I just want the lowest IR possible. I contacted Fusion, ProMatch, and Hyperform and all of them said they will not be able to help. I understand but if there is any one else please direct me towards them.

Thanks for help and insight guys

Later
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Old 09-16-2005, 10:58 AM   #13
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I'll bet my craftsman is faster than yours and lasts longer too. LOL If you have any doubts of my post, just get your good ol' Dewalt or Craftsman drill pack out and take the top off of it- you'll see for yourself. You guys didn't really think the sub C cell was developed just for R/C did ya? lol
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Old 09-16-2005, 10:33 PM   #14
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world champs dont weld. my screwdriver is bigger than yours..
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Old 09-17-2005, 09:58 PM   #15
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This is one silly thread! Just solder the bars, go out and race! Why do people make this stuff harder than what is should???

~LA
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