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Why is my battery 95% at full charge?

T

TheKnifeFight

macrumors member
Original poster
Oct 29, 2008
67
0
Socal
I'm on a relatively new MBP and I usually leave the thing plugged into the power supply. I have calibrated the battery by letting it die and letting it sit overnight.

Can someone explain this mystery?

battery.png

battery2.png
 
this happens to me sometimes.

Apperantly you need to calibrate your battery once a month. let the battery drain all the way down until the computer shuts down. Start up the computer and charge it all the way.
 
TheKnifeFight said:
I'm on a relatively new MBP and I usually leave the thing plugged into the power supply. I have calibrated the battery by letting it die and letting it sit overnight.

Can someone explain this mystery?

battery.png

battery2.png
Click to expand...

Your battery is not fully charged. You are getting the words "charge" and "capacity" confused. It is at 100% capacity because it can still hold the same amount of charge as it could when it was new (more actually). It is not at 100% charge because it has not reached the capacity.
 
emt1 said:
Your battery is not fully charged. You are getting the words "charge" and "capacity" confused. It is at 100% capacity because it can still hold the same amount of charge as it could when it was new (more actually). It is not at 100% charge because it has not reached the capacity.
Click to expand...

Unless you have not calibrted the battery in a long time and it gets stuck a 95%.
 
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