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JNB

macrumors 604
Original poster
The pic sez it all...
 

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scaredpoet

macrumors 604
Apr 6, 2007
6,627
342
Did you recently do a software update? A week ago, there was a battery firmware update for 15 inch MacBook Pros. Everyone who got the update had their battery health shoot back up to 100%. But, it's only because the calibration data for their battery was wiped out as part of the update.

Recalibrating (or just using the battery for a few charge cycles) will likely bring the health back to an accurate value.
 

JNB

macrumors 604
Original poster
Did you recently do a software update? A week ago, there was a battery firmware update for 15 inch MacBook Pros. Everyone who got the update had their battery health shoot back up to 100%. But, it's only because the calibration data for their battery was wiped out as part of the update.

Recalibrating (or just using the battery for a few charge cycles) will likely bring the health back to an accurate value.

BlackBook C2D 2.16. No battery updates on this one as I recall since I got it (this May).
 
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