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iStat Nano says my battery health is %48... What does this mean?

Bill Gates said:
Calibrate it as soon as you can. The reported capacity will probably go up a good bit. http://docs.info.apple.com/article.html?artnum=86284
Click to expand...

Hmm from what I've read, I think I've done this a few times without the actual intent. I've had it charged and then taken off the power adapter, Then after I'm done using it I set it back on my desk and forget to connect the power adapter. Next morning I wake up and reconnect the power supply and it wakes up. I've done this a few times.... Did I do sumthin' wrong? Do I need to quit all programs?

Thanks for all the help! 🙂
 
Unless the battery was fully discharged- i.e. the computer went to sleep because it had to, it wasn't calibrated. It may have just gone to sleep because of the energy scheme.
 
I defenitely went to sleep cause it was discharged because I have azureus running and my computer never goes to sleep unless it has to (ie: completely discharged)
 
In that case it was indeed calibrated. Your battery simply isn't the best pick. However, I would try calibrating it again if it's been a few weeks.
 
Hmm I'm pretty sure this happened a few days ago. Oh well... I dont use it off the power all that often, and it's usually at home. Thanks for all the help 😀
 
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