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Support Using the phone while charging?

Discussion in 'Android Devices' started by AmgedIsmail, May 10, 2012.

  1. AmgedIsmail

    AmgedIsmail Well-Known Member
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    Can I use the phone while it is charging?
    Is this OK?

    Play games, browse the internet while it is charging.
     

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  2. garryknight

    garryknight Well-Known Member
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    Yes, you can use it while charging. It will take longer to charge, especially if you're doing something processor-intensive like playing games, and longer still if you're charging through the USB port instead of the mains.
     
  3. AmgedIsmail

    AmgedIsmail Well-Known Member
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    No I just mean that will using the phone while charging cause something to battery?
    Like make it weaker? or drain quickly after that?
     
  4. AmgedIsmail

    AmgedIsmail Well-Known Member
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    I would be very grateful if anyone could answer me :)
     
  5. matttye

    matttye Android Expert
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    No, you can safely use it without worrying about your battery.

    All batteries degrade naturally over time. You probably won't experience any degradation unless you keep the same phone for several years (or go through a LOT of charge cycles).
     
  6. AmgedIsmail

    AmgedIsmail Well-Known Member
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    Thanks for the info :)
    So using the phone for several years will downgrade the battery?
    Oh and you say even charging a lot will downgrade the battery life??
    Oh I charge it everyday even if I am leaving the phone in standby(Idle) mode, I am not even using it but it has to discharge itself automatically.. :(
     
  7. matttye

    matttye Android Expert
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    It makes no difference how often you charge it.

    If you completely run down the battery and completely charge it, this is the same as:
    - running down the battery to 50%, recharging it, and repeat again
    - OR running down the batter to 80%, recharging it and repeating another four times.

    These will have the same effect on your battery health. Batteries have a finite number of charge cycles, but this is an extremely high number - more than the vast majority will ever reach.
     
  8. AmgedIsmail

    AmgedIsmail Well-Known Member
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    How many times/numbers would you guess? :)

    300?
     
  9. matttye

    matttye Android Expert
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    This website goes into detail.

    There's a table quite far down the page which shows the following:

    Depth of discharge | Discharge cycles

    100% DoD | 500
    50% DoD | 1500
    25% DoD | 2500
    10% DoD | 4700

    So this suggests that the average li-ion battery should last for 500 complete charge cycles. After this, this doesn't mean the complete death of the battery, they define "end of life" as when the battery reaches 70% of its' original capacity.
     
  10. AmgedIsmail

    AmgedIsmail Well-Known Member
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    And what does the "end of life" mean?
    So when it reaches the "end of life" the battery will start to drain more quickly than before?
    Like it drops to 1 % in about 30 minutes?
     
  11. matttye

    matttye Android Expert
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    No, like I said in my last post, they define "end of life" as when the battery reaches 70% of its' original capacity.

    In other words, even when the battery is fully charged, it will only hold 70% of its' original capacity.
     
  12. AmgedIsmail

    AmgedIsmail Well-Known Member
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    So, Instead of 100 % it will be 70 %?
     
  13. matttye

    matttye Android Expert
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    I think it will still show up as 100%, but the actual time it takes the battery to drain will be reduced by 30%
     
  14. AmgedIsmail

    AmgedIsmail Well-Known Member
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    And what if I replaced the battery after it reaches the "end of life"?
    Will the new battery be like the original one?
     
  15. matttye

    matttye Android Expert
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    It should be similar yes, but due to the complexity of batteries no two batteries will ever be exactly the same. The same can be said for CPUs, GPUs and anything else that is built using such tiny components.
     
  16. Russell Ng

    Russell Ng Android Expert
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    Amged...

    Please don't worry so much... Just enjoy the phone. Play with it. Work with it.

    If you use it so much that the battery no longer holds the original charge, then you can replace it. Unlike HTC One or IPhone where replacement on your own means loss of warranty.

    The battery should last a couple of years. Any phones battery including all my old phones lasted about that long before giving problems. So when 2 years is up, you just have to think about a new battery, or a new phone :D

    But for now... don't worry. You are just destroying your own enjoyment of the phone.

    Cheers
     
    hiredgun likes this.
  17. 1981

    1981 Android Enthusiast
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    hi, what is this DoD?? S2 comes under 100%DoD and roughly 500 complete charge cycles. (one low to full charge=1 charge cycle?)
    thank you
     
  18. Flea0

    Flea0 Newbie
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    dude, it'll be at least two years of daily charging before you will even begin to actually notice a difference in battery life. Yes, Li-ion batteries inevitably degrade with time, but the battery software makes sure you can safely use the phone while charging it. As already said, stop worrying about the battery. This isn't an iPhone, all you will need to do in 2 years is drop 20-30 dollars on a new, original battery, swap it out, and it'll be as good as new. Honestly, the only thing that worries me about the S2 aging is eventual screen burn-in and the blue pixel lifetime... :p
     
  19. Flea0

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    it means that if you recharge the phone when the battery is flat, you will be able to do that 500 times before the battery life will be compromised, 1500 times if you recharge from 50% battery life, 4700 times if you recharge from 90%, etc. Basically, it means that if you get to the end of the day with half the battery left (which happens a lot, especially with the 2000 mAh battery), it'll be 1500 days before you would have to replace the battery...
     
  20. matttye

    matttye Android Expert
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    One charge cycle is:

    1 * 100% discharge + 100% charge
    2 * 50% discharge + 50% charge
    3 * 33% discharge + 33% charge
    4 * 25% discharge + 25% charge

    Etc
     
  21. 1981

    1981 Android Enthusiast
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    Thanks. So that means its always better to charge the battery before its reaches too low .
     
  22. icedtea

    icedtea Android Enthusiast
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    just to bring up this thread. . .

    anyone of s5 users who do this? and on what percentage you charge your phone (considering a power socket / charger is available in your area) eg. office, at home. .

    I usually charge mine in the 30% but as i have read,, it is better to charge it on the 50% range. . .
     

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