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Thread: Question About Duracell AA Rechargables

  1. #1

    Question Question About Duracell AA Rechargables

    Hey guys, Yesterday i purchased some duracell AA rechargables for my TK 41. One pack of batteries are white around the positive end and the others are black around the positive end. Should i be concerned? Thanks for any replies.

  2. #2
    Flashaholic
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    Default Re: Question About Duracell AA Rechargables

    Is one pack the stay charged? If so they are relabeled eneloops, as for the black insulator where were they made?

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    *Flashaholic* Mr Happy's Avatar
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    Default Re: Question About Duracell AA Rechargables

    What exactly are the batteries you bought? There are different kinds of "Duracell AA rechargeables" out there with different characteristics (they have different descriptions on the package and different labeling on the cells).
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  4. #4

    Default Re: Question About Duracell AA Rechargables

    Ok, The black : Duracell rechargable/precharged AA/HR6? DX1500 NiMH
    1,2V /2000mAH standard charge 200mA for 16h Made in China

    The white: everything exactly the same, Made in Japan

  5. #5

    Default Re: Question About Duracell AA Rechargables

    Quote Originally Posted by zachsdad View Post
    Ok, The black : Duracell rechargable/precharged AA/HR6? DX1500 NiMH
    1,2V /2000mAH standard charge 200mA for 16h Made in China

    The white: everything exactly the same, Made in Japan
    The precharged black top china cells are of the rayovac hybrid LSD series and are decent, but are not quite as good as the white top japanese precharged which are relabeled sanyo eneloops. If you haven't opened the block top ones you may consider trading them in for another package of white tops. I have a bunch of hybrids (black tops) and they work fine in most things but the white tops hold slightly higher voltage and are more sturdy as I have already damaged about 4-5 of the hybrids via cell reversal in sets.
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  6. #6

    Default Re: Question About Duracell AA Rechargables

    Thanks Lynx Arc, Unfortunaely i didn`t notice this until after i opened them and topped them off on the charger. Is it safe to use them together in the same light?

  7. #7

    Default Re: Question About Duracell AA Rechargables

    Quote Originally Posted by zachsdad View Post
    Thanks Lynx Arc, Unfortunaely i didn`t notice this until after i opened them and topped them off on the charger. Is it safe to use them together in the same light?
    It is safe, but if the light has high output I would strongly recommend against it because the black top and white top cells differ enough that you will have uneven discharge rates causing some to deplete faster than others which can easily lead to cell reversal when the weaker cells deplete. I would highly recommend using the black tops together and white tops together not mixing them at all.
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  8. #8

    Default Re: Question About Duracell AA Rechargables

    Thanks again, I will follow your advice. Off to walmart for more white tops.

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    Flashaholic CamoNinja's Avatar
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    Default Re: Question About Duracell AA Rechargables

    Are these considered the blacktop ?



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    Default Re: Question About Duracell AA Rechargables

    we were discussing the precharged LSD cells.... those are normal nimh cells.
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    Flashaholic CamoNinja's Avatar
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    Default Re: Question About Duracell AA Rechargables

    Lynx are the ones I posted okay to use or should I get the "white tops" mentioned above. Thanks

  12. #12

    Default Re: Question About Duracell AA Rechargables

    Quote Originally Posted by CamoNinja View Post
    Lynx are the ones I posted okay to use or should I get the "white tops" mentioned above. Thanks
    The black top LSD precharged are fine, just not as good as the white top ones. I have black top LSD cells in a lot of stuff and they work well.
    Fenix Split rings 1400+ sent, SWIVELS now available also!
    Psalm 112:4 Light shines in the darkness for the godly. They are generous, compassionate, and righteous.

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    *Flashaholic* Mr Happy's Avatar
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    Default Re: Question About Duracell AA Rechargables

    Quote Originally Posted by CamoNinja View Post
    Lynx are the ones I posted okay to use or should I get the "white tops" mentioned above. Thanks
    Of course they are "okay" to use; however they are not the low self-discharge batteries like eneloops. They are normal NiMH cells with slightly higher capacity than eneloops, but also a much lesser ability to hold onto their charge in storage. Do you want to stick that light in a drawer for months, or do you plan to use the light every day?

    (In light of the apparent confusion here, they are neither "black tops" nor "white tops"; they are something else entirely.)
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    Default Re: Question About Duracell AA Rechargables

    I have 2 of those Duracell 2450s mine are made in Japan by Sanyo, 1 of them was ruined by a charger failure (vented and leaked electrolyte)
    Last edited by RCM; 11-05-2011 at 04:02 PM.

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    Default Re: Question About Duracell AA Rechargables

    Edit: double post sorry about that
    Last edited by RCM; 10-10-2011 at 01:38 PM. Reason: Double posted on accident

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    Flashaholic* RI Chevy's Avatar
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    Default Re: Question About Duracell AA Rechargables

    Quote Originally Posted by zachsdad View Post
    Thanks again, I will follow your advice. Off to walmart for more white tops.
    Any photos of the exact battery mentioned in this thread? Preferably the white top Duracell rechargable/precharged Made in Japan version.

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