MBP shutting down when on battery
Hi all!
I've got a problem with my one-year-old MacBook Pro: each time (and I mean EACH time) I run it on the battery, it simply shuts down after a while, even when the battery icon/indicator in the toolbar says I've got 70% left.
One quick look in the Battery settings shows that I've already gone through 74 cycles of charge/discharge (by last count), so I'm far from the 500 they say a battery can reasonnably sustain before replacement. The current (guffaw, guffaw) battery is the one I got from Apple last summer when it became clear they'd used a bad batch, the previous winter. It's been working alright for almost ten months, then boom!, it's started acting out again. Should I put in for a new replacement (I took the 3-year warranty), could the last update related to battery life have some unwanted effect on mine, or is there some other way to solve it?
Also, I don't hear the fan(s) in my MacBook Pro at all, but it was running hot from the start, so I finally bought a fancy little tablet with three fans embedded in it, and now the temp is normal; said "tablet" is USB-powered, but when my battery problems started again, every time, the tablet was off.
So...?
MBP Core Duo 1,83GHz 15" Mac OS X (10.4.10)
Welcome to the forums!
The symptoms you describe are consistent with premature failure of your battery. Apple states the symptom as "Battery exhibits low charge capacity/runtime when using a fully charged battery with a battery cycle count (as shown in System Profiler) of less than 300." (Copied from this page, which DigitalDude kindly linked to above.)
I think Ned is incorrect about them replacing your battery for 2 reasons: 1) you say have the 3 year applecare plan, and 2) Apple extended the warranty coverage to 2 years from date of purchase for all Core Duo machines (this is separate from the battery exchange program). The warranty extension for Core Duo machines is stated near the bottom of the page linked above.
Call AppleCare - they should replace your battery.
Hope this helps...
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Disk Sleep Timer (Minutes): 10
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http://www.apple.com/support/macbook_macbookpro/batteryupdate/
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