My macbook pro simply dies when the battery runs low

I've got a MBP, running 10.6, and as of a few months ago, whenever the battery gets low to just a few percent, the computer simply shuts off. It used to go to sleep, which would allow me to plug it in and restore to where I was when it went into standby. It doesn't do that now, just a hard shut down and I've lost anything that was open. Any ideas how I can correct this and get my computer to sleep instead of dying? Thank you

It's getting low but not that low,
Try this:
Note: MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009).
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SM

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My MacBook pro shuts down when the battery drops down to 85% charge

I have a 15inch MacBook Pro Model 1.1. When i run it on battery it always shuts down when the battery gets down to 85%. Does anyone know how to take care of this problem so that i can use the battery for longer?
thanks!
r

Thanks, you're a life saver. Here is the report:
AC Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 10
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 180
Display Sleep Timer (Minutes): 2
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 3004
Remaining Capacity (mAh): 2994
Amperage (mA): 0
Voltage (mV): 12385
Cycle Count: 41
AC Charger Information:
Connected: Yes
Charging: No
Hardware Configuration:
UPS Installed: No

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So for about 3 weeks, I have been forcing my macbook to close because whenever I wake it from sleeping to use it, I try to put in my password but it blacks out. I finally figured out that this only happens when its plugged in and near full battery life. Does anyone else have an issue similar to this?

So for about 3 weeks, I have been forcing my macbook to close because whenever I wake it from sleeping to use it, I try to put in my password but it blacks out. I finally figured out that this only happens when its plugged in and near full battery life. Does anyone else have an issue similar to this?

My MAC Pro shuts down when the battery still have 50 minutes life.

My MAC Pro shuts down when the battery still has 52 minutes life without any warning. Does anyone have this problem? BTW, it is less than one year old.

You must have a MacBookPro, right? MacPro's are big desktop models.
Try the MacBookPro battery forum or their Usage forum.
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If your model Macbook Pro is the calibrating model, let the battery calibrate.
If not, and are still under warrant or have Apple Care, give them a call and get a case number. Otherwise, take the computer to an Apple store or an AASP. Whichever is more convenient for you.

My phone seems to delete contacts and info when the battery gets low, is there a solution to this issue?!

After the most recent update, I've noticed a couple MAJOR changes! 1) The battery life can barely make it through half the day. I have to keep charging it no matter how little I use it. I've even turned off apps running in the background, it didn't make much difference. And 2) When the battery gets really low, at the 10% mark, it deletes contacts and settings. I've lost so many contacts all of the sudden and I constantly have to restore my iPhone. It's so frustrating! And when the battery gets low, it also deletes my e-mail account to receive e-mails on the phone. I'm tired of having to constantly reset my phone carry a charger with me, it's not reliable any longer and I'm not sure why. Help??

Here is some information on the applecare +:
http://www.apple.com/support/products/iphone.html
It appears that you have to buy the applecare within 30 days of buying your phone - you said that your phone warranty is almost over, so when did you buy it??? That could be the explanation for the error.

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My computer sometimes saves memory content when the battery runs down, as it is supposed to, so that when it restarts it is restored to the state it was in, but at other times it does not.
Is there a way to find out why this is and fix it?

Thanks for the reply.
Doesn't Apple recommend that you do exercise the battery by using its full capacity? They even recommend running it down from full until the computer saves the contents of memory to the special file, then leaving it 5 hours before charging fully again.
I have never heard of the 20% threshold before.
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It only wakes up from sleeping if I plug to power adapter. That means I am not able to use 15% of my battery if I need to put it sleep when it is low.
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Why nobody is helping. By the way I have observed that going to sleep after closing to lid usually takes 20+ seconds. My mbp is pretty new but has problems. :rage:

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Thanks for the reply.
Doesn't Apple recommend that you do exercise the battery by using its full capacity? They even recommend running it down from full until the computer saves the contents of memory to the special file, then leaving it 5 hours before charging fully again.
I have never heard of the 20% threshold before.
The odd behaviour in my case is that the computer sometimes does what is should: saves the memory then shuts down and when started restores that data, but at others does not save the data first, and starts up normally when I plug in the power and switch on.

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Can someone please help me with a Macbook Pro booting question?
Recently, my mid 2010 MacBook Pro has started acting up when I am on Safari. Safari would unexpectedly crash multiple times in a row, then run fine for a while, then again, crash repeatedly. Not long after this began happening, an error message from my Prosoft Drive Genius 3 software, threw out a message that a serious error had occurred and I needed to repair the HD volume. Before I was able to run the software to repair the HD volume, the machine stopped working. I turned off the Macbook and when I tried to restart, it would not boot. I have since removed all external hardware from my machine and tried several times, unsuccessfully, to boot. I have also tried booting in safe mode when also does not work.
Any suggestions? Thanks for your help.

Try SMC reset:
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. (four keys together)
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.

Will a mid 2010 15" macbook pro not boot without the battery in it?

I have a 15" mid 2010 mabook pro with a swelled battery. I tried booting it without the battery in it and it would not power on. Is this by design or has my macbook been damaged?

Here are the Apple costs for a replacement battery:
iFixit sells Apple batteries, but the last time I looked, they were out of stock.
Recently on another post, it showed Apple batteries available through Amazon at favorable prices that appeared to be OEM quality. I suspect that these are gray market batteries but they may very well be satisfactory. I still say 'Caveat Emptor'.
If you do choose to go the third party route, you will need a #0 Triwing driver to install the battery.
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I just downloaded the recent Maverick Software Update onto my Macbook Pro 15" and when the download/reset finished, my screen was completely black and I have not been able to get it back since. Help?

My computer had been wanting to do a software update, with what I believe was the Mavericks Software, for a few weeks but I had been putting it off. When I finally decided to install the update onto my Macbook Pro 15" today, my screen went completely black and I haven't been able to get it back since. The computer still turns on, I can tell because my caps lock key still glows when I press it and my volume buttons still make sounds when I press them. However, I cannot see anything on the screen. I don't even get the grey start up screen when I reset my computer. I have tried the SafeMode Restart where you hold Shift while it is restarting and the Display Reset in which you hold Command + Option (alt) + R + P until you hear the start up noise twice, and neither have worked. Any other advice on what I can do to get my screen back without having to send my computer away to be fixed?

Try a SMC reset:
http://support.apple.com/kb/ht3964
Ciao.

My macbook pro got wet and the battery light is still on but my macbook won't turn on. What's the problem?

My mabook pro got wet the other night, the battery light still works but my macbook won't turn on and should i just wait for it to completely dry up? Or what should i do to solve this problem?

Just face facts - if water (or any other liquid) reached you logic board or any other electronic components, you're going to be the victim of corrosion.
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Clinton

MacBook Pro-How long should the battery last?

Hi there i just recently got a MacBook Pro a month ago this is my first laptop and i was wondering how long the batery is ment to last for befroe going flat? my macbook is the most recent 13 inch one and its battery only tends to last 6 or 7 hours before i need to charge it again, just wondering if this is normal?

I have the same MacBook Pro, and "eww" is absolutely right. 6-7 hours is what you will get under normal use. Now if you want to see the battery reach 10 hours, dim the screen to 6% and just do nothing. Just kidding, but you get the point.

My macbook pro simply dies when the battery runs low

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