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Laptop shuts down at 10% battery


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#1 signofzeta

signofzeta

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Posted 01 April 2018 - 09:38 PM

I normally do not use my battery, but once a month, I normally drain my battery to 12%, charge it to 100%, then drain it to around 40% before removing it and storing it.

 

This time it is different.

 

I drain the battery to 12%.

 

I then charge it to 100%.

 

I unplug the laptop and drain the battery back to 40%, but this time, it went from 90% to 50%, drains to 45%, and it jumps up to 55%.  I let it drain to 50%, and it jumps up to 65% all the while the laptop is unplugged.

 

I then let it drain all the way down to 12%, but when it is at 13%, it jumped down to 10%, then I waited till it goes to 9%, but the laptop shuts down before it reached 9%.  By shut down, I mean the kind where if you didn't have a battery in your laptop, and you pulled the AC cord out.

 

My laptop now thinks 0% charge is 10% charge, and at 10%, the laptop shuts down.

 

How do I fix this?



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#2 mightywiz

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Posted 02 April 2018 - 11:20 AM

you have a bad cell in the battery.  replace battery!






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