Rebuilding the Battery?

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27ace27

Active member
Joined
Jun 25, 2023
Messages
40
Hi All,

I finally got the upper pack pulled out of my 2012 FFE and the bulging is pretty bad. Given how insanely hot it gets here in Phoenix, I'm wary about simply deleting the cooling loop. Ideally I'd like to rebuild the pack with new cells, but I've never done such a thing before. Has anyone attempted this before?

Paul
 
Finding bare cells has been next to impossible, they seem to be OEM only. You can find modules of grouped cells from other packs or more complete assembles from scrapped cars but that seems to be about it.

Any chance you can post some pictures? I could also come check it out in person since I'm local. Might be able to think of something.
 
With a large enough order, having custom cells made wouldn't be a problem. The issue would be getting the old cells out. From what I saw when I took my pack apart, it looks like it might actually be cheaper to just build new modules from scratch:
PAbdwuT.jpg

KzAl6Fe.jpg

Not only is every cell spot welded(?) 3 times, but the frames themselves are all heat staked together. With the right tooling to disassemble and assemble packs quickly, it would probably be possible to turn a profit, but the time and resources required to get started are prohibitive for most.
 
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