Cheap authentic battery packs to harvest 18650 cells

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dchomak
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Cheap authentic battery packs to harvest 18650 cells

I was first introduced to this seller by Gj who posted about the great 18500 cells he harvested from Toshiba laptop battery packs. Here is a link to the seller.

http://stores.ebay.com/In-And-Out-Computers-Store/Batteries-/_i.html?_fs...

There was such a run on the original Toshiba laptop pack, that the price was increased from $8.99 to 27.99.

That stopped the run (probably due to us). They have only sold 1 in the last 2 months since the price increase. Those 18500 cells are really strong and shows how well new, old stock can hold up. Based on my very good experience from that purchase, I took a chance and ordered another pack, this time for my brothers old laptop. This is the link to that battery pack.
http://www.ebay.com/itm/Genuine-New-6-cell-HP-Lithium-Ion-Battery-EV088A...

14.99 for an authentic HP battery pack is awesome, but wait, that pic looks like a cheap clone. You know the cells in that would be crap, so why bother. I decided to call them up, their store is in Maine. So I called and left a message. A couple of hours later I got a call back. I explained that I was interested in a certain pack and even though it is listed as authentic HP, it looks to be a clone. I was told that can’t be as all their packs are new, old stock and are OEM from HP. That photo is probably just something that was pulled off the internet. On the strength of that conversation I decided to order one. A few days later I received it, free shipping and gave it to my brother. I didn’t have time to stick around so I told him to let it charge up fully before he used it. A few days ago I called him to see how it was doing. He told me he gets 3-4 hours runtime.
So I’m 2 for 2 with this seller, great prices, great stuff, easy to talk too if need be and fast free shipping. What’s not to like.
So I tried a third time. This time I picked out the cheapest 6 cell, 18650 pack they had with the intent of pulling it apart for the cells. I need decent capacity unprotected cells for my Ruinovo and ENB battery packs.
http://www.ebay.com/itm/New-Genuine-HP-6-cell-Battery-Series-VN06-CB87-N...

I didn’t take pictures of the massacre, that has been done many times already. What I did do was take a picture of the retail box it came in! Remember, this pack cost $9.99
So what I received was a brand new, never used authentic HP pack that happens to be a few years old.
All 6 cells tested at 2.6V and charged up, no problems. And they pack a punch. Very happy again.
That’s 3 for 3!
Every one should check that site out for their own needs. Get your ENB’s and Ruinovo’s from FastTech, but get your cells from these battery packs. My cells cost me $1.67 each. Imagine being able to fill that 3-cell ENB for just $5.
What cells did I get? 6 of these Sanyo ICR18650 26C 2600mAh.

Edited by: dchomak on 02/11/2014 - 19:10
processengr
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Thanks, I bought one to dissect!

No one notices when things are going right

Le_Zouave
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Sorry, you get Samsung 18650, not Sanyo (they are good too).

alphazeta
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tHX. ORDERED 1

phsinvent
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The only dissection I ever did got me 8 samsung 22r 18650 cells from an old hp laptop I had sitting in the closet. Good info op.

dchomak
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Le_Zouave wrote:
Sorry, you get Samsung 18650, not Sanyo (they are good too).

LOL, well it was one of those “S” companies! Big Smile

I am going to leave the mistake as a testimony, to keep me on my toes.

ImA4Wheelr
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Nice find and report.  I puchased a couple different packs last night.  The 6 cell above and a 12 cell (will have 2200mAh cells).

Here is a product information sheet for the above pictured Samsung.

dchomak
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I panicked last night when I saw them start go and ordered another because there were only 3 left. Since then, others have been ordered but there are still the 3 left. What’s that all about?

ImA4Wheelr
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That is odd.  This is the item your talking about, right?

dchomak
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ImA4Wheelr wrote:

That is odd.  This is the item your talking about, right?

Yes,

I got an email from them that they had “re-listed” it. I fully expected to see that they had increased to price after our mini-run, but no, they had just relisted it. The new listing does not show the old sales history. Price is the same, discription is the same and the quantity on hand is still the same. Stuck on 3.

EDIT:

I just checked the original listing and they are all gone. Yesterday, someone bought 3, 5 units after I ordered my 2nd, and cleaned them out.

So the NEW link to that item appears to be this recent link you posted.

ImA4Wheelr
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I see.  I just went to his store and pulled up the above linked item.  When I try to pull up the listing I purchase from a couple nights ago from, it says the item has been relisted.

 

Bucketthead
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Very cool. Any downside for using these? Special charging or hidden dangers that we should know about before buying?

I no longer need a wallet. Thanks BLF! 

dchomak
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Bucketthead wrote:
Very cool. Any downside for using these? Special charging or hidden dangers that we should know about before buying?

Yeah, I need to point out that if you don’t know what you are doing, stay away from these.

In other words, don’t try this at home, (go over to you friends house instead) Smile

Boaz
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It will be a good quality laptop pull

which is an unprotected cell

 

http://www.candlepowerforums.com/vb/showthread.php?333498-Samsung-18650-2600mah-question-there-are-2-versions-26D-and-26F

 

I have a stash of the samsung 26F's .... I like em

 

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DB Custom
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Thanks for the heads-up, got one coming my way. Last time I did this I got Sanyo FJ’s and have been very pleased, $1.08 ea and they’re not slouches at all! Had 12 of those, been using them quite a bit with no problems.

Hope these are the 2600mAh Samsungs, look like good cells.

nitro
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i just bought one…….. cant wait

Boaz
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He ships very fast

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snakebite
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careful the seller doesnt figure out the deal like the toshiba packs and bump the price.
bet they still have all they had when they bumped them up.
i would hit this if i didnt have a source of free packs to rob cells from.

ImA4Wheelr
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Got my order today.  So delivery was fast.  Having a heck of a time opening up the pack that Dchomak purchased.  I can see color of cells.  Appears to be Samsungs.

The 12 pack is a genuine Toshibia OE pack.  Was in factory sealed box (had tamper proof label that had to be cut to open box).  I'm not familiar with the cells.  Each cell is labeled "SF US18650GR" and "T 6B116MG15K".  Each cell is at 3.75 volts.  First pack I ever opened with all cells the same voltage.

EDIT: Based on this thread, it's a Sony.  I haven't found any date codes on the cells.

Ice
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8800Mah pack

So you can pretty easily assume it's a 2200Mah battery  4x 2200=8800

dchomak
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ImA4Wheelr wrote:

Got my order today.  So delivery was fast.  Having a heck of a time opening up the pack that Dchomak purchased.  I can see color of cells.  Appears to be Samsungs.

The 12 pack is a genuine Toshibia OE pack.  Was in factory sealed box (had tamper proof label that had to be cut to open box).  I’m not familiar with the cells.  Each cell is labeled “SF US18650GR” and “T 6B116MG15K”.  Each cell is at 3.75 volts.  First pack I ever opened with all cells the same voltage.

Wow, 12 cells for $12.99 is only $1.08 per cell. DBCstm mentioned that kind of price earlier. You say they all measured 3.75 volts. Are you sure you didn’t mean 2.75? If they were 3.75, I would have to think that pack has not been sitting on a shelf that long. I may have to order one of those now.

My second 6 cell pack came in and it too is great. And now for the second time, that deal has been re-listed, but still at the same price of $9.99. Still shows the same “only 3 available” even though many more than 3 sell.

EDIT: Here is the second new link
http://www.ebay.com/itm/New-Genuine-HP-6-cell-Battery-Series-VN06-CB87-N...

They sold 9 more under the 1st new link and 3 more already under the 2nd new link, all the while having only 3 available.

I really like this seller, I have ordered, and have already received 2 HP HD web cams. Most of their stuff is new, old stock HP parts and components.

ImA4Wheelr
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Yeah, 3.75 volts.  Near perfect voltage for storage.  I was surprised by that too.  I have the cells resting right now to see if any will drop in voltage.  I will then start charging and check the capacity of a few. 

Jaidmaster
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Sony cell info I have gathered from this site (appear to be 2200mah, 2004?):
Sony lithium ion cells look at the first two digits in the second row.

8A = 2600mAh
G7= 2400mAh
G6, 6A, 6B= 2200mAh
G5= 2150mAh
G4= 1950mAh

The last 5 digits of that row tell the manufacturing date.

digit 1: year. Q=2008, R=2009, S=2010 and so on
digit 2: month. A=Jan, B=Feb, …J= Oct
digit 3+4: day
digit 5: electrode history

ImA4Wheelr
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Thank you for the info Jaidmaster.  If I'm counting right, these cells were made on July 15, 2005.  Seems quite possible as I would expect these batteries to be from old discontinued laptops.  How my pack kept a voltage of 3.75 is something I would really like to know. 

It's going to be interesting to see how they perform.  If past history repeats, I expect that they will perform close to like new.

Jaidmaster
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3.75V is right in the recommended long term storage range, and should equate to somewhere around 40% of it’s full capacity. The capacity loss at that voltage is very low… I’m no expert, but do recall seeing a table on li-ion capacity loss over time, and it starts out like a few % for the first month and drops from there. Does not seem unusual to me, and probably have some pretty good cells. If it was not charged to 100% before being packaged, even better. Smile
I think I have somewhere around 80 or so laptop pulls – it’s quite fun. And then finding the best ones for various purposes.
Good luck!

ImA4Wheelr wrote:

Thank you for the info Jaidmaster.  If I’m counting right, these cells were made on July 15, 2005.  Seems quite possible as I would expect these batteries to be from old discontinued laptops.  How my pack kept a voltage of 3.75 is something I would really like to know. 

It’s going to be interesting to see how they perform.  If past history repeats, I expect that they will perform close to like new.

garrybunk
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Man this is tempting.  Buy one of these packs for using the cells in my ENB power bank and toss my well used laptop pulls!  Question: what about this 9 cell pack for $12.99?  Any thoughts on if this 9 cell pack will have similar capacity cells to the 6 cell one?  I can't seem to find any capacity info for that 9 cell battery.

-Garry

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Jaidmaster
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The info I could find on this pack puts it at a 83Wh, 10.8V pack. This would indicate a 3×3 config, so probably 2600mah cells… 83/10.8 = 7690mah/3 = 2562mah cells…
Pack info from here:
http://www.batterypack.me/hp-laptop-battery/GJ114AA_p254.html

garrybunk wrote:

Man this is tempting.  Buy one of these packs for using the cells in my ENB power bank and toss my well used laptop pulls!  Question: what about this 9 cell pack for $12.99?  Any thoughts on if this 9 cell pack will have similar capacity cells to the 6 cell one?  I can’t seem to find any capacity info for that 9 cell battery.

-Garry

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Ah, thanks!  This is tempting, but I just keep spending too much money.  Hard to pass up though.  Guess the issue with the 9 cell is that we don't know what cells are inside and we expect the Samsung 26F's 26C's in the 6 cell.  Wonder what the chance is that the same Samsung cells are in the 6 cell.

DCH - how hard was it to disassemble that 6 cell battery pack? 

-Garry

(EDIT Samsung model #)

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Jaidmaster
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I once got a lot of about 8 packs all the same part number and got Sony, Samsung, Sanyo and LG cells from them. Mostly LG and Samsung. One pack each of the Sanyo and Sony.
Edit: They were Dell PC764 6 cell packs…

DB Custom
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I got it open easily enough using a 1” wood chisel, the sharp bevel edge inserts easily into the crack, the 1” width gives good leverage for a twist action to pry the seam apart. Not a problem took myabe 5-10 minutes and all the cells were out and separated.

Used a cut-off wheel on the dremel to touch the weld spots and get a smooth surface, kind of like surgery that was. Wink

3 pairs, 2 were at 2.69V, 2 at 2.59V and 2 were at 2.42V. They all charged up well and are holding that 4.19V.

My Solarforce M8 pulls 6.77A through a pair of Samsung 20R’s (MT-G2)
It pulls 5.25A through the Sony UR18650FJ lap pull
These allow 5.75A, so they’re better than the Sony but less than the 20R. Nice compromise, 2600mAh is a good capacity. Happy happy happy!

ImA4Wheelr
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Garry, my six pack is being a bear to open.  It's like continuously welded/glued along the seams.  I'm actually carefully biting off bits of the case using needle-nose pliers.  I've opened up more than my fair share of packs and this one beats the bunch by far.

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