01-27-2017 01:44 PM
44 12
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  1. edubb256's Avatar
    ... that are in conflict to what you keep spreading like a virus around here. ...I can't stop you from spreading the lie, but I can (and will) correct you when I see it. It's confusing to the community as a whole.
    Ease off the coffee I don't see anything LeoRex said that is not true. And it may useful information for someone who wants to maximize battery life. My comment just that in the context of OP's question and general lack of understanding of how batteries work, LeoRex's nuanced response could lead to to wrong conclusion. But he is correct: charging the battery to 80% instead of 100% WILL extend life of the battery. That said, I wouldn't call charging 80% a best practice because a best practice should optimize all relevant parameters (e.g., ease of use, time required, battery life etc.), not just one parameter (battery life).
    01-27-2017 10:05 AM
  2. sparksd's Avatar
    01-27-2017 10:11 AM
  3. dpham00's Avatar
    Mod note, let's tone things down a notch. Discussion is fine but let's not get overly heated.
    01-27-2017 10:35 AM
  4. Kevin OQuinn's Avatar
    Yup, you are one of them.

    And I have, currently, perfectly workable:

    https://uploads.tapatalk-cdn.com/201...b30ed946cd.jpg

    Blackberry Bold 9930
    Apple iPhone 4
    Moro Droid Razr M
    iPhone 6s Plus
    Samsung Tab

    ... that are in conflict to what you keep spreading like a virus around here. The people must know the truth.. I can't stop you from spreading the lie, but I can (and will) correct you when I see it. It's confusing to the community as a whole.
    I'd like to know how you having devices that still power up refutes the fact that battery life has been reduced over the life of the device because of the charge/discharge cycles.

    Even Apple specifies at what point they will cover battery replacement under normal or extended warranties based on how much it has degraded over time. They don't say "don't charge to 100%" but they know how many cycles you should get and how much it should degrade over those cycles.

    Based on your logic something that is meant to be battery powered but is plugged in all the time should not suffer from loss of battery life should you choose to one day unplug it. I can tell you from experience that is not the case. I have a laptop that I basically used as a desktop for quite a while. It stayed plugged in 100% of the time. When I finally got an actual desktop I wanted to use the laptop as a laptop. Problem was the battery had degraded. It wouldn't charge to 100% anymore, the battery meter would jump around a bit, it would discharge very rapidly. (In hindsight I should have just removed the battery completely)

    I ended up needing to replace the battery in the laptop. I have also noticed similar behavior in a tablet that one of my kids uses but keeps plugged in a lot of the time. Thankfully it's older and I'm not worried about the degradation, but it still happened.
    Dngrsone likes this.
    01-27-2017 10:48 AM
  5. Aquila's Avatar
    Yup, you are one of them.

    And I have, currently, perfectly workable:

    https://uploads.tapatalk-cdn.com/201...b30ed946cd.jpg

    Blackberry Bold 9930
    Apple iPhone 4
    Moro Droid Razr M
    iPhone 6s Plus
    Samsung Tab

    ... that are in conflict to what you keep spreading like a virus around here. The people must know the truth.. I can't stop you from spreading the lie, but I can (and will) correct you when I see it. It's confusing to the community as a whole.
    You're going to challenge a physicist who is backed up by nearly every data point available with accusations of lying and anecdotal accounts that don't even address his points ... Every time you see it? Interesting notion, but no... That's not going to happen. Despite your ad hominem attacks and venomous tone, your "facts" and logic are simply incorrect - and that's a problem for the forum because you are actually challenging the correct information with misinformation.

    If you'd like to go get the same level of experience and expertise and come back as a subject matter expert, then anything you can add would be appreciated. If you're going to troll one of the actual experts, who is also coincidentally a moderator for this community, that's not going to be anywhere near as welcome.

    dpham00 is right, time for a deep breath before going back into the fray.
    Dngrsone likes this.
    01-27-2017 10:50 AM
  6. Gayle Lynn's Avatar
    Wow. For a bunch of coffee fueled geeks...

    Six things about Li-Ion design (2014 so 'ancient'). https://www.cnet.com/news/six-things...one-batteries/

    One thing we know, CPU, disks, memory but esp. our batteries... heat kills, and no not the Note 7 kind, but that too. 🙃
    01-27-2017 11:03 AM
  7. LeoRex's Avatar
    coffee fueled geeks...
    I do believe that is redundant....
    01-27-2017 11:12 AM
  8. Gayle Lynn's Avatar
    A word from Huawei on new design in higher temperature performance batteries, that have longer life.

    http://www.huawei.com/en/news/2016/1...-ion-Batteries
    01-27-2017 11:23 AM
  9. Kevin OQuinn's Avatar
    I do believe that is redundant....
    I don't even drink coffee....
    01-27-2017 11:32 AM
  10. Aquila's Avatar
    I don't even drink coffee....
    Me either, literally have never had it
    01-27-2017 11:45 AM
  11. LeoRex's Avatar
    A word from Huawei on new design in higher temperature performance batteries, that have longer life.

    Huawei Achieves Major Breakthrough in Graphene-Assisted High Temperature Li-ion Batteries - huawei press center
    Not to derail this any more... but until this shows up in an actual consumer product, I am going to toss it into the rather large landfill called "Amazing battery breakthroughs"... I think I've seen a story like this every month it seems for the past 20 years and not a single one has managed to become something tangible.
    Dngrsone and jamezr like this.
    01-27-2017 11:46 AM
  12. mountainman's Avatar
    You're going to challenge a physicist who is backed up by nearly every data point available with accusations of lying and anecdotal accounts that don't even address his points ... Every time you see it? Interesting notion, but no... That's not going to happen. Despite your ad hominem attacks and venomous tone, your "facts" and logic are simply incorrect - and that's a problem for the forum because you are actually challenging the correct information with misinformation.

    If you'd like to go get the same level of experience and expertise and come back as a subject matter expert, then anything you can add would be appreciated. If you're going to troll one of the actual experts, who is also coincidentally a moderator for this community, that's not going to be anywhere near as welcome.

    dpham00 is right, time for a deep breath before going back into the fray.
    And now I understand why people are confused on this forum.
    ToddK likes this.
    01-27-2017 12:12 PM
  13. Aquila's Avatar
    And now I understand why people are confused on this forum.
    Feel free to send me a pm if you want to discuss further. It seems like my point was lost.
    Dngrsone likes this.
    01-27-2017 12:13 PM
  14. Dngrsone's Avatar
    Sometimes we forget that not all people are capable of critical thought.

    ...or really any thought. We are given 'facts' which we accept, internalize, and adhere to, even if/when completely disproven because we don't want to admit fallibility/fault.
    01-27-2017 12:33 PM
  15. jamezr's Avatar
    I have a Samsung wireless charger at home and today, I forgot my S7 Edge on it. After 4 hours, I realized it was there and immediately removed it. I have disabled fast wireless charging and the phone was charging on normal speed only and it wasn't hot, nor even warm. Do you think it was damaged?

    Thank you and appreciated.
    My S7 edge is currently on a Samsung fast wireless charger....been there for about 3 days solid. Never gets warm...it will stop charging when it is at 100%.
    01-27-2017 12:34 PM
  16. mountainman's Avatar
    My S7 edge is currently on a Samsung fast wireless charger....been there for about 3 days solid. Never gets warm...it will stop charging when it is at 100%.
    Thank you.

    http://www.popularmechanics.com/tech...eries-charged/
    jamezr likes this.
    01-27-2017 12:46 PM
  17. jamezr's Avatar
    Thanks...very informative link.....
    01-27-2017 12:50 PM
  18. Aquila's Avatar
    That link actually disproves yours and their point ...

    "All modern Li-Ion rechargeable devices have some sort of power management IC, designed to prevent overcharging the battery. They'll keep your phone battery topped off and ready to go throughout the night with a trickle charge at most."

    Forgot my S7E on the charger...-screenshot_20170127-125416.png

    After this gem of misleading opinion based reporting misconduct, it goes on to explain why it's safe for many laptops using an example that applies to zero phones. But right in that screenshot, it says trickle charge is LESS harmful to the battery than letting it deplete extremely true. A nuance that all of us agree with.

    If your choice is letting it die or leaving it sitting on trickle you obviously choose trickle. But that's not the only choice and being LESS harmful indicates that it IS harmful, just less than something else. But that something else is one of the top 3 most harmful things to a li battery, so saying another thing is less harmful doesn't tell us much.

    If trickle is x and depletion is y, all this tells us is that 0 < x < y < 1 on % damage potential. It doesn't indicate how far apart any of those points between 0 and 1 are. What we can infer is only the information in the paragraph above this one.

    TLDR trickle DOES degrade the battery and therefore is harmful. And this link therefore agrees with the rest of the industry on that point, even if it does so accidentally.
    01-27-2017 01:02 PM
  19. mountainman's Avatar
    ToddK likes this.
    01-27-2017 01:44 PM
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