Does the battery lifetime takes a hit if I let it overcharge?


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  1. rpgmaker

    rpgmaker Active Member This Topic's Starter

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    Does the battery lifetime takes a hit if I let it charging after it's been fully charged? For example, letting the phone charging overnight...
     

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  2. erachilla

    erachilla Member

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    Simple answer: No

    I'm guessing your phone is newer than 8 or 9 years old... so No... your phone is designed to prevent that as most people do charge their phones while they sleep... the only things you can do to damage your phones battery can be avoided if you follow these rules 1. Never leave it plugged in for more than 24 hours... 2. let your battery drop below 20% before charging as often as possible... (It is recommended that you run your battery near dead once or twice a week to prevent a battery capacitance memory loss or burn in) 3. partial charges hurt... avoid little charges for the extra 20% or 30% battery life (unless it is necessary) and always fully charge your phone.... follow those rules and your battery will last a very very long time.... Welcome to the forums BTW!
     
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  3. scorpionatthepc

    scorpionatthepc Well-Known Member

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    I shouldn't think so. My guess is that it stops charging when its full.
     
  4. rpgmaker

    rpgmaker Active Member This Topic's Starter

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    But if leaving it plugged in overnight isn't going to damage it why leaving it over 24 hrs will?

    Thanks :D and thanks for your prompt answer.
     
  5. Easy 10

    Easy 10 New Member

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    Because overnight could generally be considered 6 to 10 hours or so.

    Whereas over 24 hours is, like, over 24 hours man.
     
  6. mofokk

    mofokk Member

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    erachilla is right.

    overnight wont hurt your battery at all. there's a built in protection that shuts off the charge when it registers 100%.

    leave your phone on for 24h or longer can become a problem as your phone and charger are continually talking to each other to check the level of your battery.
    each time the battery drops to 99% the charger kicks in again and tops it up.
    all this causes extra heat and extra work for both charger and battery.

    while i doubt any harm would result. there's not much point leaving a phone plugged in for that length of time to find out :)
     
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  7. MadalinX

    MadalinX Active Member

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    good question, i was wondering the same thing, even if i knew that yes the phone stops charging one is full.

    On HTC wildfire, i saw that if you charge let's say ...60 % it;s not actually 60 %. It will drop faster.

    You have to charge it 100% and then the % will be aprox real.


    Cheers!
     
  8. erachilla

    erachilla Member

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    What mofokk said is also entirely true... that said to expand on why the more than 24 hours is not a good idea is because of that constant polling of topping off the charge... while this may be ok for even 24 hours the issue becomes the same as why you wanna drop your phone to near dead before you charge it... batteries are not designed to hold a constant charge it can cause a burn in to occur decreasing total capacitance of the battery... for example... if 50 percent of the battery is holding a charge all the time that 50% will become damaged by the constant energy... thus if 99% of your batter is holding a charge and only one percent gets a break from energy for a long period of time... same issue.

    Happy to help out!
     

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