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Thread: 3400mAh Panasonic NCR18650B

  1. #91
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    Default Re: 3400mAh Panasonic NCR18650B

    I dont understand why my previous post disappeared, well, on the website of orbitronic, 3400 protected batteries are available including price

    PS: ok, I see that Spain does not stop sending them, I sent mail.

    PS2: They told me that it is not possible international shipping temporarily
    Last edited by pabcor; 07-12-2012 at 02:00 AM.
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  2. #92
    Flashaholic* ma_sha1's Avatar
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by Phil Ament View Post
    Phew, that's OK then. I was more than just a little concerned when I had originally thought that you could read it. As long as it's invisible I am absolutely fine with that. Thanks for the heads up!
    I couldn't see what you wrote initially, so I sprayed some vinegar on my screen, all of a sudden, it showed up! OMFG, you better delete the post before the mods get out their spray bottle!
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  3. #93

    Default Re: 3400mAh Panasonic NCR18650B

    These are $27 each on orb...

    I would really like to try some but not at that price.

  4. #94

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    Quote Originally Posted by mikesantor View Post
    These are $27 each on orb...

    I would really like to try some but not at that price.
    These cells were 'liberated' from a Lenovo battery pack vendor and will be the only supply until production ramps up. Prices will normalize later this year.

  5. #95
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by ElectronGuru View Post
    These cells were 'liberated' from a Lenovo battery pack vendor and will be the only supply until production ramps up. Prices will normalize later this year.
    But at least that means they're grade A cells, right?

  6. #96

    Default Re: 3400mAh Panasonic NCR18650B

    It appears my second post here was lost as well, probably just due to the site going down again.

    Basically there is good news and bad news:

    Good = the website selling them at such a great price 'bestvaping.net' quoted me good shipping prices too: under $10 for 4x 18650 cells.

    Bad = They also told me they have now sold out of the 3400mah Panasonics completely.

  7. #97

    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by ElectronGuru View Post
    These cells were 'liberated' from a Lenovo battery pack vendor and will be the only supply until production ramps up. Prices will normalize later this year.


    Any word on a source for these battery packs?

  8. #98
    Flashaholic* jasonck08's Avatar
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by ElectronGuru View Post
    These cells were 'liberated' from a Lenovo battery pack vendor and will be the only supply until production ramps up. Prices will normalize later this year.
    Not exactly correct information. There are some bare cells floating around in the market, but most are sample quantities of just a few dozen cells. Even most of the suppliers advertising the 3400's don't even have them in stock. I have a couple sample 3400's, and they came at the normal Panasonic ship voltage of around 3.6v and do not have any trace of spot welds on them.

  9. #99
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    Thumbs down Re: 3400mAh Panasonic NCR18650B

    "Even most of the suppliers advertising the 3400's don't even have them in stock."

    Yeah, tell me about it! The ones I "bought" from cnqualitygoods never arrived after about 5-6 weeks. When asked, they said there was a server error that had my order listed as unpaid even though I did in fact pay with Paypal. They then said they were no longer in stock (looking at about another month) and I cancelled my order....still waiting on my Paypal to be credited (since July 6th.) I will never purchase from them again.
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  10. #100

    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by Colonel Sanders View Post
    "Even most of the suppliers advertising the 3400's don't even have them in stock."

    Yeah, tell me about it! The ones I "bought" from cnqualitygoods never arrived after about 5-6 weeks. When ....
    I bought one of these batteries in cnqualitygoods on June 4. It has arrived without any problem.

  11. #101
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    Default Re: 3400mAh Panasonic NCR18650B

    Lucky you. And I'm still awaiting my refund. Any company that screws my order up this bad and is so slow to refund doesn't deserve my business. They've had my money since June 11th and I have exactly nothing to show for it. I went through the same crap when trying to receive the discount on my Magic Scorpion. I did eventually get it but it took some prodding.
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  12. #102
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by jasonck08 View Post
    Not exactly correct information. There are some bare cells floating around in the market, but most are sample quantities of just a few dozen cells. Even most of the suppliers advertising the 3400's don't even have them in stock. I have a couple sample 3400's, and they came at the normal Panasonic ship voltage of around 3.6v and do not have any trace of spot welds on them.
    nice!
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  13. #103

    Default Re: Panasonic NCR18650B

    Quote Originally Posted by Shadowww View Post
    >In the consumer sector, Panasonicís NCR18650 2.9Ah and 3.1Ah models have used an HRL on the anode and hybrid-type separator with an alumina layer, but the 3.4Ah NCR18650B will not have an HRL on the anode.
    /
    In the 2013 catalogue there is an interesting piece of information - currently I'm not sure if this is just a clarification or if the 2013's NCR18650B really have changed:

    http://www.panasonic-industrial.com/...nteractive.pdf

    - HRL
    - capacity 3.350 mAh

    Is it sure that NCR18650B released before 2013 missed the HRL? There were some rumors telling so, but I did not find a valuable source for that.

  14. #104

    Default Re: Panasonic NCR18650B

    These are my 'unscientific' lux range runtime results for the RediLast 3100mAh 18650 (Panasonic cell) vs Panasonic unprotected 3400mAh NCR18650B

    Light tested was a quad Nichia LED dropin 5.6A. Around the 4-5 min mark the outputs pops a little higher for each test because
    that's when I removed the light from a flask of ice water for cooling and continue taking its measurement.

    RediLast 3100 18650

    -Start 586 : 2000 Lux @ 2'
    00:30 557
    01:00 546
    01:30 541
    02:00 537
    03:00 536
    04:00 544
    05:00 539
    10:00 538
    15:00 500
    20:00 468
    25:00 443
    30:00 422
    40:00 369
    65:00 145
    70:00 32 protection circuit off

    Panasonic unprotected 3400 NCR18650B

    -Start 633 : 2000 Lux @ 2'
    00:30 593
    01:00 576
    01:30 565
    02:00 556
    03:00 542
    04:00 540
    05:00 551
    10:00 528
    15:00 488
    20:00 489
    25:00 456
    30:00 435
    40:00 391
    65:00 298
    80:00 29 pulled the cells

    Measured in minutes.
    Last edited by ledmitter_nli; 02-14-2013 at 04:56 AM.

  15. #105

    Default Re: Panasonic NCR18650B

    So the 3400s both provide higher lux readings all the way through and outperform the theoretical 10% difference in runtime? That's pretty damn good if true. I wonder if a protected cell would have the same kind of performance before protection cutoff. Also, are the Redilasts in the same wear condition as the Panasonics? Since Li-ions degrade inevitably with time, that could tamper with the results.

  16. #106
    Flashaholic* tobrien's Avatar
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    Default Re: Panasonic NCR18650B

    so it doesn't make as much sense to get 2600s anymore eh?
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  17. #107

    Default Re: Panasonic NCR18650B

    hehe. yeah maybe?

    The RediLasts according to selfbuilts charts are top performers in the 3100 range. I really did the test to see how legit these cells where, and they proved themselves.

    @moozooh the cell had about 5 charge cycles. I have 6 ordered in Nov. 2012, so they rotate often and never did deep draw during normal use until this test.

    However one caveat:

    Test Pair #2: Panasonic unprotected 3400 NCR18650B

    -Start 592 : 2000 Lux @ 2'
    00:30 566
    01:00 553
    01:30 544
    02:00 537
    03:00 526
    04:00 538
    05:00 523
    10:00 504
    15:00 487
    20:00 464
    25:00 441
    30:00 421
    40:00 387
    65:00 251
    70:00 167
    75:00 27 pulled the cells

    Fresh off the charger. Not all is as cut-and-dry as it seems.



    Imported them from Germany. Unprotected on the left. Protected on the right. Will probably sell the protected since they're unopened.
    Last edited by ledmitter_nli; 02-14-2013 at 03:43 PM.

  18. #108

    Default Re: Panasonic NCR18650B

    Quote Originally Posted by ledmitter_nli View Post
    hehe. yeah maybe?

    The RediLasts according to selfbuilts charts are top performers in the 3100 range. I really did the test to see how legit these cells where, and they proved themselves.

    @moozooh the cell had about 5 charge cycles. I have 6 ordered in Nov. 2012, so they rotate often and never did deep draw during normal use until this test.

    However one caveat:

    Test Pair #2: Panasonic unprotected 3400 NCR18650B

    -Start 592 : 2000 Lux @ 2'
    00:30 566
    01:00 553
    01:30 544
    02:00 537
    03:00 526
    04:00 538
    05:00 523
    10:00 504
    15:00 487
    20:00 464
    25:00 441
    30:00 421
    40:00 387
    65:00 251
    70:00 167
    75:00 27 pulled the cells

    Fresh off the charger. Not all is as cut-and-dry as it seems.



    Imported them from Germany. Unprotected on the left. Protected on the right. Will probably sell the protected since they're unopened.
    Do these fit in the Nitecore TM26?

  19. #109
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by SeamusORiley View Post
    Do these fit in the Nitecore TM26?
    You must use protected, with top button.

    Flat top, and unprotected are not compatible with Nitecore TM series.

  20. #110

    Default Re: Panasonic NCR18650B

    What's the best charge current for these? 1A or 2A? I'm sure someone posted a datasheet somewhere but I cant find it.

  21. #111
    Flashaholic* RI Chevy's Avatar
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    Default Re: Panasonic NCR18650B

    I think you would be safer with 1A.

  22. #112

    Default Re: Panasonic NCR18650B

    I just decided to buy a pair of these. They will be my first UNprotected 18650s. I figured I would keep these charged around 3.9v or so for emergencies or just when I think I'll need a backup without the ability to recharge. In all honesty they probably won't see a lot of use so I'll rotate them thru lights from time to time.

    I decided to go with the unprotected this time because

    1.) like I said they are backups and won't be used every day so I didn't want to spend $15/ea
    2.) I've been carefully using and monitoring my protected batteries to a point where I feel completely safe using unprotected

    Anyone in the same boat, going from protected to unprotected?
    Last edited by markr6; 08-30-2013 at 05:25 AM.
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  23. #113
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by space-cowboy View Post
    You must use protected, with top button.

    Flat top, and unprotected are not compatible with Nitecore TM series.
    I have 4 of these unprotected NCR18650B batteries for almost 1 year... To make sure that they fit all my flashlights, I just solder a bulb of solder on the flat top with some flux.. It puts a button on the top and lets me use these fantastic batteries in every flashlight that I have... It works great ! PS.. I never felt the need to have a protected version of these batteries.... They seem very well made..

  24. #114

    Default Re: Panasonic NCR18650B

    I have the protected version of these batteries (with the button top) in my Fenix E50, TK22, Nitecore P25, and SolarForce N2N with custom Hi-CRI (XM-L 7C) drop-in, and they work great. Charging them with a Nitecore i4 charger (snug fit, but they do fit). I'll definitely buy more, in the near future :-)
    Last edited by david57strat; 09-18-2013 at 11:19 AM.

  25. #115

    Default Re: Panasonic NCR18650B

    Is there a way to tell if you actually received a 3400 mah Panasonic cell? My unprotected ncr18650b cells have the numbers; 12210 on the label, as well as some stamped numbers on the side; UV 3309. The green and black ncr18650b cells come in several different mah capacities. Is there a way to identify them?

  26. #116
    Flashaholic* ChrisGarrett's Avatar
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by maxrep12 View Post
    Is there a way to tell if you actually received a 3400 mah Panasonic cell? My unprotected ncr18650b cells have the numbers; 12210 on the label, as well as some stamped numbers on the side; UV 3309. The green and black ncr18650b cells come in several different mah capacities. Is there a way to identify them?
    NCR Bs are 3400mAh. I don't think that they come in different capacities, apart from the newish 3600mAh cell, but that's differently numbered.

    Chris
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  27. #117

    Default Re: Panasonic NCR18650B

    Quote Originally Posted by ChrisGarrett View Post
    NCR Bs are 3400mAh. I don't think that they come in different capacities, apart from the newish 3600mAh cell, but that's differently numbered.

    Chris
    Well I guess it is as simple as that. Thx.

  28. #118

    Default Re: Panasonic NCR18650B

    Quote Originally Posted by ledmitter_nli View Post
    hehe. yeah maybe?

    The RediLasts according to selfbuilts charts are top performers in the 3100 range. I really did the test to see how legit these cells where, and they proved themselves.

    @moozooh the cell had about 5 charge cycles. I have 6 ordered in Nov. 2012, so they rotate often and never did deep draw during normal use until this test.

    However one caveat:


    Imported them from Germany. Unprotected on the left. Protected on the right. Will probably sell the protected since they're unopened.
    Hello,

    where did you buy them in Germany?

    abies

  29. #119
    Flashaholic* dc38's Avatar
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    Default Re: Panasonic NCR18650B

    Just got a couple unused from a friend...Unprotected NCR 18650B, MH12210. the "sn" is ECV 3416... threw them on the I4 charger at 3.67V and took them out ~2.9 hrs later @ 4.23V each (not a good sign as I believe the i4 charges 2 channels at 700mA. 2.9*700 = x<2100 ) Anyways, I put one in a nitecore SRT7 using an aluminum shim and measured at 10 minute intervals:

    V(s)__(A)e__V(e)
    4.23V 1.65A 4.05V
    4.07V 1.58A 3.94V
    3.94V 1.45A 3.83V
    3.84V 1.39A 3.75V - STOPPED.

    Given that information, the light "consumed" .48V over the course of 40 minutes...continuing that 'mathematical trend' =
    (4.23V - 3V)=1.23V.
    (1.23/.48)*40m= 103m or 1h43m.

    IF taken till 'safe' termination @ 2.75V
    (4.23V-2.75V)=1.48V
    (1.48/.48)*40m= 124m or 2h4m.
    2.07h*(~1.47A)= ~3Ah...

    Judging from my slipshod measurements and calculations, I must say that I am unsure if the cells that I received (ultimately from Wallbuys) are improperly labelled as 3400 mAh...
    Last edited by dc38; 01-29-2014 at 11:15 AM.
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  30. #120
    Flashaholic* RI Chevy's Avatar
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    Default Re: Panasonic NCR18650B

    What cells do you think they are? 3100 mAh? 2600 mAh?

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