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Nickel Strip with Cell Level Fusing
#1
Okay, this seems pretty cool. Wondering if anyone else has seen what battery hookup is selling now? https://batteryhookup.com/collections/ce...ickel-fuse
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#2
I ordered some a couple of days ago but it hasn't shipped yet.
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#3
Looks interesting.

Could be an issue if I needed to swap out one rouge cell though.
Looks like it would be a full strip down of the pack.

But still a very interesting option that may be worth perusing on next pack builds.
Be interesting to see your comments @Mike when you've tried it.
OffGridInTheCity likes this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
42 X 40P 18650 cell packs/modules configured as 14S 120P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
About halfway into my next batch of cells for another 14 40P packs
13 kWh processed and operational so far.
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#4
(10-13-2019, 01:07 PM)chuckp Wrote: Looks interesting.

Could be an issue if I needed to swap out one rouge cell though.
Looks like it would be a full strip down of the pack.
I had the same thought, but then figured you would only use this on the positive side and if a cell needs replacing, you would push it out the other side?
Then spotweld a new fuse with its surround into place.
Ibiza likes this post
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#5
(10-13-2019, 01:42 PM)Oz18650 Wrote: I had the same thought, but then figured you would only use this on the positive side and if a cell needs replacing,  you would push it out the other side?
Then spotweld a new fuse with its surround into place.

True, but i think both sides would be better for the pack aesthetics

Also if going to the effort of making my busbars for one side I might as well just do both sides the same.
Would be great if they could make one specifically for the negative end with a wider opening.
OffGridInTheCity likes this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
42 X 40P 18650 cell packs/modules configured as 14S 120P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
About halfway into my next batch of cells for another 14 40P packs
13 kWh processed and operational so far.
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#6
If you need to change a cell, putting some small cuts in the edge of the circle and bending tabs out with pliers would probably work.
I think these might work really well for people.
chuckp likes this post
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#7
I give it two months before China copies this and sells it as a nickel-plated steel version at 2 cents per cell.
Ibiza and chuckp like this post
Check out my long-term capacity test of 18650s: https://secondlifestorage.com/showthread.php?tid=6868
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#8
(10-15-2019, 05:02 AM)Generic Wrote: I give it two months before China copies this and sells it as a nickel-plated steel version at 2 cents per cell.

Probably already punching them out.  Angry
chuckp likes this post
I only have about 400 cells gathered so far but I do have a bit of gear I use for my day job and cell testing: https://imgur.com/a/x1Jzhx5
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#9
mine has arrived, but didn't think about how to cut the sections, in my case 8 cells long. I'm guessing tin snips but any other ideas?
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#10
I thought that the site said to just use scissors?
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