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Thread: 3400mAh Panasonic NCR18650B

  1. #31
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    Default Re: Panasonic NCR18650B

    I have some of these cells on order and will be posting some test data soon after arrival.

    I still don't know for sure if these cells are intended to be charged to 4.35 or 4.2v. Anyone know *for sure*? Thanks.
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  2. #32
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    Default Re: Panasonic NCR18650B

    According to Keeppower's website, it is 4.20v.
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  3. #33
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    Default Re: Panasonic NCR18650B

    Considering it's just a updated NCR18650-series, I'd also say it must be 4.2V, if it'd be 4.35V it wouldn't be NCR, it'd get assigned some other series-name.

  4. #34
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    Default Re: Panasonic NCR18650B

    officially 4.2V. may gain up to 100mAh from 4.35V charging, in some of the more extreme examples, from what I hear.

  5. #35
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    Default Re: Panasonic NCR18650B

    I can confirm they are 4.2V. Just did a first discharge and got a claimed capacity from a cell charged to 4.2V...

  6. #36
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by jirik_cz View Post
    I can confirm they are 4.2V. Just did a first discharge and got a claimed capacity from a cell charged to 4.2V...
    Awesome, thanks!

    At what voltage did you end the discharge?
    happens

  7. #37
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    Default Re: Panasonic NCR18650B

    what do the letters at the end (B) for example, signify?
    aka Edgar Allan Bro, Brosama Bin Liftin, Walter Crunkite, Bro Namath, Teddy Brosevelt, and the Tomahawk Crunkmissile.
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  8. #38
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    Default Re: Panasonic NCR18650B

    I don't know but the A model was 3100 and the one with no letter at the end was 2900.
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  9. #39
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    Default Re: Panasonic NCR18650B

    So, here are some of my graphs and I have to say that these cells are very impressive! Tests are done with CBA II.




  10. #40
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    Default Re: Panasonic NCR18650B

    "and I have to say that these cells are very impressive!"

    Wow! I'd have to agree! Very nice. Thanks for the graphs. I really like that you included the mWh data as that's really what we should be looking at instead of mAh.
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  11. #41
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    Default Re: Panasonic NCR18650B

    where do you buy them? cnqualitygoods says "Sorry, Out-of-stock and stop sales. Would you want to book in now and reserve the product?"
    Thanks

  12. #42
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    Default Re: Panasonic NCR18650B

    Yes, Panasonic NCR18650B is even better at higher current.

    Excellent handling voltage sags.




    FYI


    3.192mAh @ 5A,

    3218mAh @ 3A

  13. #43
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    Default Re: Panasonic NCR18650B

    looks like they are already out of stock.
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  14. #44
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    Default Re: Panasonic NCR18650B

    orbtronic has them in stock but at $19.99/unit
    aka Edgar Allan Bro, Brosama Bin Liftin, Walter Crunkite, Bro Namath, Teddy Brosevelt, and the Tomahawk Crunkmissile.
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  15. #45
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    Default Re: Panasonic NCR18650B

    Thank you for the graphs.

  16. #46
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by tobrien View Post
    orbtronic has them in stock but at $19.99/unit
    Yeah, that's a tough one--get two 3100 unprotecteds for $17.98 shipped, or one 3400 for $19.99 shipped?

    I'm going with the former, I think.

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  17. #47
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by ChrisGarrett View Post
    Yeah, that's a tough one--get two 3100 unprotecteds for $17.98 shipped, or one 3400 for $19.99 shipped?

    I'm going with the former, I think.

    Chris
    What do you guys think about this Site?
    Price is crazy cheap?

    .... Nevermind.. Shipping is like 40.00 bucks!

    Link removed - Norm
    Last edited by Norm; 06-16-2012 at 02:59 PM.
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  18. #48
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    Default Re: Panasonic NCR18650B

    This shop has very good price but shipping to my address is 20USD via standard airmail :-/.

  19. #49
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by czAtlantis View Post
    This shop has very good price but shipping to my address is 20USD via standard airmail :-/.
    Even 20.00 bucks is only 5.00 more a piece if your ordering 4 batteries.... If I don't mind the slow boat from China.....

    think I'll look a tad more first....
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  20. #50
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    Default Re: Panasonic NCR18650B

    For larger quantities it is not a big deal but I just want one piece for test. So I am looking for some shop with "free shipping" where i can get it for ~15USD shipped max.

  21. #51
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    Default Re: Panasonic NCR18650B

    Hope your Inbox is clear, as you're about to get flooded!
    "...and the diode multiplied and grew in brightness. And God saw that it was good."

  22. #52
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    Default Re: Panasonic NCR18650B

    Here you go fellas (for females too)! Here are a couple of links I have provided just for you, with the first one being to the Panasonic Industrial's official web page for their new 3400mAH "NCR18650B" where it includes a wealth of information and also links to various specification and data sheets. The second link is to a page that explains the chemical makeup of the new Panasonic NCR18650B batteries and what they have actually done to increase their capacity from 3100mAh up to 3400mAh. The page that I have linked to is actually a Google cached version of it, as by doing it this way for you it should hopefully highlight any occurrences of the wording "NCR18650B" on the page so that you can cut right to the chase and therefore save yourself both some time and some effort. I really hope that I am allowed to do this, and I also really hope that you all like it and that you find the information to be of some assistance!


    Link to Panasonic Industrial's web page for their new NCR18650B

    Link to information about the Panasonic NCR18650B chemical makeup and capacity increase explanations


    Sincerely Yours
    Phil Ament


    P.S. I really hope that these all work just as I had planned, especially the link to the Google cached version however I am pretty confident that they will!

  23. #53
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    Default Re: Panasonic NCR18650B

    >In the consumer sector, Panasonic’s 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.

    Does this essentially means NCR18650B is not as safe as NCR18650(A)? :/

  24. #54
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by Shadowww View Post
    >In the consumer sector, Panasonic’s 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.

    Does this essentially means NCR18650B is not as safe as NCR18650(A)? :/
    Would you mind explaining what HRL means?
    happens

  25. #55
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    Default Re: Panasonic NCR18650B

    Quote Originally Posted by Helmut.G View Post
    Would you mind explaining what HRL means?
    HRL stands for Heat Resistance Layer
    Last edited by Phil Ament; 06-20-2012 at 10:11 AM. Reason: Typo

  26. #56
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by Helmut.G View Post
    Would you mind explaining what HRL means?

    Panasonic HRL Technology see here

  27. #57
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by Phil Ament View Post
    HRL stands for Heat Resistant Layer
    Quote Originally Posted by Phil Ament View Post
    Panasonic HRL Technology see here
    Thanks
    happens

  28. #58
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    Default Re: 3400mAh Panasonic NCR18650B

    Quote Originally Posted by Helmut.G View Post
    Thanks
    No troubles, anytime!

  29. #59
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    Default Re: 3400mAh Panasonic NCR18650B

    Good work Phil
    aka Edgar Allan Bro, Brosama Bin Liftin, Walter Crunkite, Bro Namath, Teddy Brosevelt, and the Tomahawk Crunkmissile.
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  30. #60
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    Default Re: 3400mAh Panasonic NCR18650B

    Excellent sleuthing!
    "...and the diode multiplied and grew in brightness. And God saw that it was good."

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