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Thread: Lithium battery behaviour

  1. #11
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    Quote Originally Posted by Barrett View Post
    if this nonsense is even remotely accurate and truthful, then the "problem'" is clearly the result of your incompetence, on several fronts.
    First of all, yes, that is the truth, second, yes, I am incompetent. I work with computers, not bikes. That's why I am asking people stuff :-).

    Quote Originally Posted by Barrett View Post
    All H-D branded batteries factory installed and sold thru franchised dealers are DEKA. all have minimum 2 year pro-rated warranty. you failed to inquire.
    On that one, YOU are partially wrong. The battery has a 2 year warranty that I DID NOT failed to inquire. Despite that, they all died within a year (I mean, the previous lead acid batteries one).

    Quote Originally Posted by Barrett View Post
    you are experiencing either a serious charging system problem or substantial parasitic draw at rest....or both. you failed to check.
    Again, as you said, I am incompetent. Also, I hope my local HD dealer is not because, if you are right, he failed to check it a couple days ago.

    Quote Originally Posted by Barrett View Post
    you seem like the type that would irresolutely connect either a small charger or tender to your AGM battery for indefinite periods of time. that is the death-knell for any AGM or "wet" lead-acid battery.
    Well, that is interesting because I am definitly using a charger that is always connecting on the battery while the bike is not used. It might not be the good way to do but that is what is written on the user manual. And again, dispite that the previous lead acid batteries all died while the lithium battery did not.

    Anyways, I don't want to argue on that lead acid battery vs lithium batteries. There is not point. All what I want to know is if my battery is having the behaviour it is suppose to have. That is it.
    Last edited by Niklos; 11-11-2020 at 02:17 PM.

  2. #12
    Senior Member 34nineteen's Avatar
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    Have you contacted the battery manufacturer with your concerns? What has been their response?

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  3. #13
    Senior Member Cooter's Avatar
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    Even though your battery is fine, and everyone you ask tells you is it fine, you can still check for a draw.

    Disconnect the battery negative and place an ammeter between the leads. >500mA is typically acceptable, check your service manual to be sure.

  4. #14
    Senior Member 34nineteen's Avatar
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    I think you mean <500mA.

  5. #15
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    Quote Originally Posted by 34nineteen View Post
    Have you contacted the battery manufacturer with your concerns? What has been their response?

    Three_Doors_Meme_Maker.jpg
    I did n1 a couple days ago. No answer so far. But COVID makes stuff very difficult here. Many shop and enterprises are closed. As soon as I get an answer I will tell you.

    Quote Originally Posted by Cooter View Post
    Even though your battery is fine, and everyone you ask tells you is it fine, you can still check for a draw.
    I know, but I don't understand WHY. And now that is what I want to know.

    Quote Originally Posted by Cooter View Post
    Disconnect the battery negative and place an ammeter between the leads. <500mA is typically acceptable, check your service manual to be sure.
    OK, I will do that !
    Last edited by Niklos; 11-11-2020 at 04:13 PM.

  6. #16
    Senior Member 34nineteen's Avatar
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    Are you saying you dont understand why the bike puts a draw on the battery when the ignition is turned off?

    or

    Are you saying you dont understand why the battery would have a draw on it when it is disconnected from the bike?
    Last edited by 34nineteen; 11-11-2020 at 05:34 PM.

  7. #17
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    None of those.

    What I don't understand is why the battery goes from 14V to 13V within 10 hours which means -60/70% charge. That seams a bit to high too me. But I might be wrong. Especialy as then, it is staying at 13V during hours, maybe even days without going lower.
    And, people here told me it is OK. I don't understand why it is OK to loose 1V in a couple hours. I am not saying that it actually is NOT OK. But I would like to understand why it is loosing this much power in such little time and then stays at about 13V.

    edit : actually, it seams like it is what you said. I "dont understand why the battery would have a draw on it when it is disconnected from the bike?"
    Last edited by Niklos; 11-11-2020 at 06:42 PM.

  8. #18
    Senior Member 34nineteen's Avatar
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    Quote Originally Posted by Niklos View Post
    What I don't understand is why the battery goes from 14V to 13V within 10 hours
    When it is connected to the bike or not connected to the bike?

  9. #19
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    All due respect, it doesn't matter where the bike was sold or where your from, if Barret says it's the possible problem that's basically from HD.

    I installed a lithium battery in one of my bikes and so far I love it, I've charged it twice since I got it over a year ago. From what I understand, one should not charge it to 100% and not discharge it to 0. When the battery goes bad in the Triumph I will replace it with a lithium battery.

  10. #20
    Senior Member Cooter's Avatar
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    Theres no need to worry about how much surface voltage you are losing, or even how accurate the voltmeter is.

    'If you have > 12.5-12.7 volts at rest, its all good, forget the rest.'



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