Is my laptop at risk now?

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  1. Posts : 272
    win10
       #1

    Is my laptop at risk now?


    I seldom use my laptop, I remember the last time I use it was on April 2017, like 1.5 years from now. I then put it in a carry bag in a cool place always.

    However, the lithium battery wasn't removed.

    My question is
    1. Is this lithium battery at risk of "leaking" or "going wrong"
    2. In case it's "leaking", how can I know? Is there any sign? Will it damage my laptop?
    3. Any sign I can see if a battery is not working correctly or losing its durability?

    Heard some said keeping it 50% fully charged instead of 100% charged while storing and heard some said taking out the battery if the laptop isn't going to be used for long time.

    Now 1.5 years, kept in very good condition, but connected to the laptop, (NOT connected to the AC wall ) What do you think????

    A few days later I will try to use it again, at the moment, I am asking for advice. Thank you very much
      My Computer

  2. Caledon Ken's Avatar
    Posts : 24,410
    Windows 10 Pro x64 Version 2004
       #2

    Hi Tsw88

    Other members may have different views

    1) No. Your battery has not been subjected to undue force ( or temperature extremes) and you would need something to comprise the cells. Depends what you mean "going wrong". Will it exploded no. Will it run your laptop, maybe.

    2) If it was leaking outside the shell you would see it. If the cells leak internal you would also see as the chemical reaction is quite vigorous, usually in the form of severe heat and flame.

    You can run this battery report. It shows what the battery capacity at Design and what an estimate of current full charge.

    https://www.windowscentral.com/gener...ort-windows-10

    I would fully charge and allow to discharge to around 20% several times. Lots of times of batteries never regain their health. I had one that fully discharged and would never accept a charge after that. Do not try tricks on the internet to re-awake batteries.

    Assuming you need a new battery buy a quality one. Cheap batteries are just that, CHEAP.


    Ken
      My Computer


  3. Posts : 1,868
    W10 pro x64 20H2 Build 19042.610
       #3

    I'd pretty much agree with what Caledon Ken suggests although curiosity would get the better of me and I would boot up the laptop once connected to AC and see what the state of charge is. Then just use it. It has two choices, either the battery is fine (it should be) or it is not.
      My Computer


  4. Posts : 272
    win10
    Thread Starter
       #4

    Caledon Ken said:
    Hi Tsw88

    Other members may have different views

    1) No. Your battery has not been subjected to undue force ( or temperature extremes) and you would need something to comprise the cells. Depends what you mean "going wrong". Will it exploded no. Will it run your laptop, maybe.

    2) If it was leaking outside the shell you would see it. If the cells leak internal you would also see as the chemical reaction is quite vigorous, usually in the form of severe heat and flame.

    You can run this battery report. It shows what the battery capacity at Design and what an estimate of current full charge.

    https://www.windowscentral.com/gener...ort-windows-10

    I would fully charge and allow to discharge to around 20% several times. Lots of times of batteries never regain their health. I had one that fully discharged and would never accept a charge after that. Do not try tricks on the internet to re-awake batteries.

    Assuming you need a new battery buy a quality one. Cheap batteries are just that, CHEAP.


    Ken
    Excuse me, wait, sorry!, you said " If the cells leak internal you would also see as the chemical reaction is quite vigorous, usually in the form of severe heat and flame. "

    That means if I now turn on the laptop with the battery (if it leaks internally and I can't see from outside) connected it will then have vigorous reaction in form of heat and flame ???

    Btw, do you think it's not used for 1.5 years now it's any likely to leak , internally , externally?

    The battery is original...and comes with the original laptop when purchasing , lenovo
      My Computer

  5. Caledon Ken's Avatar
    Posts : 24,410
    Windows 10 Pro x64 Version 2004
       #5

    Not using a battery does not cause it to leak.

    Leaking batteries do not need to be charged or connected to anything, if they leak it is a chemical reaction, no other energy required.

    Batteries leak because they have been subjected to severe shock, say hammer, severe crushing and or crazy temperatures (fire).

    Another sign of leakage is misshaped batteries, swollen. Do not use misshaped batteries.

    Very much doubt your battery is leaking.
      My Computer

  6. lx07's Avatar
    Posts : 5,479
    2004
       #6

    Really old PCs had rechargeable batteries soldered to the logicboard to retain the time etc when turned off. These tend to leak alkali after a few decades which you have to clean off with vinegar. These batteries have been replaced by the use of disposable batteries since the mid-late 1980's though.

    If you are talking about the battery to run the PC then you are fine. I'm using a laptop from 2006 that I didn't use for probably 5 years and left with the battery connected.

    The battery only lasts about 10 minutes now and is slightly swollen but is good enough to let me carry my laptop from one room to another without shutting down. It reports normal temperature and charging cycles (albeit short).

    If a battery is leaking you'll generally see it or smell it. If you don't and its sensors say the temperature is OK then I'd assume it is safe even if it doesn't last long.
      My Computer

  7. Berton's Avatar
    Posts : 10,706
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909
       #7

    The only issues I've seen with notebook batteries going bad were on Macintosh and some brands of Windows computer where the battery was not readily removable. The batteries would bulge and start forcing the case pieces apart or the palm rest bulge up, quite noticeable. Replacements were not too expensive but required more disassembly than some folks would like to deal with, the symptoms did suggest replacement before they leaked.
      My Computers

  8. bro67's Avatar
    Posts : 8,359
    Mac OS Catalina
       #8

    Batteries can sit for months on a shelf and in a box and not have any issues. As long as the battery is not exposed to extreme heat or cold, it should not become a issue. Just remove it from the laptop when storing for long periods and keep in a cool dry place, such as a closet. Always check it every month to make sure that it is kept charged and the laptop runs.
    Last edited by bro67; 03 Nov 2018 at 21:52.
      My Computers


  9. Posts : 272
    win10
    Thread Starter
       #9

    Caledon Ken said:
    Not using a battery does not cause it to leak.

    Leaking batteries do not need to be charged or connected to anything, if they leak it is a chemical reaction, no other energy required.

    Batteries leak because they have been subjected to severe shock, say hammer, severe crushing and or crazy temperatures (fire).

    Another sign of leakage is misshaped batteries, swollen. Do not use misshaped batteries.

    Very much doubt your battery is leaking.
    Excuse me, sorry, what is "missshaped batteries" . Never heard of this adjectives before? Sorrt?
      My Computer

  10. Berton's Avatar
    Posts : 10,706
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909
       #10

    Most generally the misshaped batteries are a "soft pack" internal battery [feels like a pillow when handled], not the hard plastic case of the removable type.
      My Computers


 
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