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Old Nov 25, 2012, 12:59 PM
Frankenstein recycled packs
rampman's Avatar
USA, AZ, Gilbert
Joined Jan 2006
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Poll
Quiz - How many cells is this?

Just a quick quiz for you to guess the cell count based on this picture.

A buddy crash damaged this pack yesterday so I hooked a bulb to drain it to zero and curiosity got the better of me. This is what I found inside.

I will post the correct answer on Monday.

Add on Monday: Answer is in post #9
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Last edited by rampman; Nov 26, 2012 at 09:45 AM. Reason: Edited to put reference to answer in post #9
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Old Nov 25, 2012, 01:14 PM
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USA, MN, Shakopee
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3 cells
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Old Nov 25, 2012, 01:18 PM
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30 ?
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Old Nov 25, 2012, 02:07 PM
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United States, CA, Westminster
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If you could slide the picture over to the left so we can see the fold we may be able to see something.
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Old Nov 25, 2012, 02:09 PM
I don't want to "Switch Now"
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Toronto (Don Mills), Canada
Joined Dec 2002
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I think that is a single cell with the covering removed. You can see the silver covering just on the bottom right of the image.
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Old Nov 25, 2012, 02:11 PM
That's a funny word
NE Ohio
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six
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Old Nov 25, 2012, 02:42 PM
Southern Pride
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Haralson County GA. USA
Joined Oct 2004
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Is it a Hyperion?
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Old Nov 25, 2012, 02:46 PM
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Mesa, Arizona
Joined Sep 2009
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How about (6) cell!!
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Old Nov 26, 2012, 09:44 AM
Frankenstein recycled packs
rampman's Avatar
USA, AZ, Gilbert
Joined Jan 2006
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Quote:
Originally Posted by TheWoodCrafter View Post
If you could slide the picture over to the left so we can see the fold we may be able to see something.
NO!!! What fun would that be.
Quote:
Originally Posted by pmackenzie View Post
I think that is a single cell with the covering removed. You can see the silver covering just on the bottom right of the image.
DING DING DING, we have a winner.
Quote:
Originally Posted by everydayflyer View Post
Is it a Hyperion?
You are also correct. This is what makes up a single cell from a Hyperion pack, 4200 I think, that is made up of 3 cells in parallel and then sealed under the foil.
This is the first I have seen like this and I must admit, I have had very few G3's fail/lose a cell compared to other brands.
This is one of the reasons we pay more for these packs, they really are different and hold up quite well. I wonder if all of sizes are like this or just the larger ones? Things that make you go hummmmmm....

Rick
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Old Nov 26, 2012, 10:11 AM
Space Coast USA
hoppy's Avatar
Space Coast
Joined Oct 2000
20,309 Posts
Kokam, a long time ago, had a super good cell, I think is was a 400mah (+/- a lot) which outperformed all of their others. As I recall they used it in multiple units for their larger packs.
Not a bad idea......
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Old Nov 26, 2012, 10:25 AM
Southern Pride
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Haralson County GA. USA
Joined Oct 2004
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Here is a Thread from March 2006 where I disassembled a similiar LiPoly.

http://www.rcgroups.com/forums/showt...52#post5219954

I was also aware that Hyperion used the same construction on some of thier LiPolys but was trying not to give to big of a clue..

Charles
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Old Nov 26, 2012, 05:42 PM
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United States, NJ, Frenchtown
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Commerical companies still tie cells together in series or parallel.

Electric cars are unbelievable in their stringing together of cells.
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Old Nov 26, 2012, 11:07 PM
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Joined Feb 2012
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You're not making much sense - how can 3 cells connected together whether it's a series or parallel connection, be a single cell? It's a single cell pack comprised of 3 cells.

You showed a picture of 3 individual cells.

What's missing here?
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Old Nov 26, 2012, 11:18 PM
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So. Cal.
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1 or 3 is correct. 1 in the context that it was a single foil pack. 3 in the context that the single cell consisted of 3 subcells within the hermetic foil pack.

This was bandied about in the iCharger thread a year or so ago... http://www.rcgroups.com/forums/showp...ostcount=10413

Mark
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Old Nov 26, 2012, 11:25 PM
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Quote:
Originally Posted by mrforsyth View Post
1 or 3 is correct. 1 in the context that it was a single foil pack. 3 in the context that the single cell consisted of 3 subcells within the hermetic foil pack.

This was bandied about in the iCharger thread a year or so ago... http://www.rcgroups.com/forums/showp...ostcount=10413

Mark
Yes - that's the only logical answer.
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