MacBook Pro :: 13" Shuts Down On Battery Drain?
Sep 16, 2010
I have a 2010 13" MBP that will shut itself off instead of going to sleep when the battery is drained. I tried recalibrating and resetting the SMC, as well as disabling hibernate, but the same thing happens. The computer is barely a month old. Anybody else with a 13" experiencing this? I posted this issue on the Apple forums and someone replied stating that they heard Apple is looking into it, but usually occurs with i5 and i7 machines.
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Nov 4, 2009
I had my MBA rev B turned of for 3-4 weeks and when I turned it on today it was at 40% power. Is that normal that it to loose that much battery when turned off, are you seeing the same number? I know when in sleep mode that there is a pretty high loss even over night but turned off I thought it was minimal.
Seems higher than my previous Mac laptops.
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Oct 2, 2010
I'm wondering, what is better for prolonging your macbook pro's battery life, is it
1. drain the battery, recharge it fully, plug out the source, drain it, and recharge it again
or
2. keep charging it whenever you have a power source and never drain it?
I've always been doing #2 because I use the laptop a lot and home and it would just be a hassle to keep switching the power source on and off.
But then I heard that it's bad if you overcharge your battery, so once in awhile I try to do #1. Last night, though, my friend told me it's bad for your battery if you drain it all the time.
So which is, in fact, good or bad for your mbp?
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Nov 16, 2010
I recall reading that if I keep my MBP plugged to the wall all the time ( I do), I should drain the battery to about 50% every 2-3 days, to keep the battery's juices flowing.
Personally I don't have the patience to do this all the time. Is this step really that important?
What are your thoughts?
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Jul 21, 2009
My MacBook shuts down when the battery drains all the way down. I'm pretty sure back in the days of PPC lappies, they went to sleep before the battery died. Is it supposed to shut down, or is something goofed?
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Aug 20, 2009
Question in the subject line, nothing more to add here other than i am getting bad battery life and only use FF... so was wondering.
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May 19, 2010
With mine, when I drain it completely, it just shuts down, i.e. it doesnt go to sleep mode as there is no pulsating light on the front right corner. Once I start charging, however, and I can again switch it on, it resumes where I left off, so the computer has saved the contents of the memory onto the hard disk. On my SR MBP it was different, it would actually go to sleep mode when the batteries were almost completely drained.
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Jul 12, 2010
After about two hours my battery on my 13" mbp is at 35% from 100%.
All i did was some web browsing and about half an hour of video chatting on ichat. My brightness is at halfway.
is this normal drain? the specs say 10 hours, but when i first got it it lived for about 6 hours, which was plenty for me.
i've noticed recently that my battery has been acting funny, i'm thinking it may be because of my heavy audio work with garage band and reason.
the app coconut battery says my battery capacity is at 94% so I'm not sure what the problem is.
I've had this laptop for about 3 months, and i've properly calibrated it twice.
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Jun 14, 2012
lately I have noticed that even though I close the lid on my macbook pro, the battery continues to drain and it is very hard to wake it. I have to restart it several times to get to to open properbly.
Info:
macbook pro, Mac OS X (10.5.6)
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Nov 21, 2010
Getting fustrated with my Macbook Pro 15''. Could never get battery to last more than 5-6 hours. This is the MAX i can achieve, with great pains to enhance battery life.
Argh, what's wrong with my Macbook Pro?
Check out the amperage drain. At this rate the Macbook Pro wouldn't last more than 5 hours. This is with half brightness, only finder and Chrome open, and the battery recently calibrated.
The amperage drain increases to -1400+ when i have more tabs open, and a few other apps.
However there was this ONE RARE OCCASION, where my Macbook Pro would only drain between -700 to -800 amperage. This was in normal usage and the battery easily lasted closer to 8 hours. But somehow, i can never replicate this anymore!
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Jun 22, 2009
I looked around and I find varying opinions. My laptop is mostly at home. Should I keep it plugged in when its full or should I let it drain? Please explain too.
Also, coconutBattery says I've used five cycles even though none of those were complete cycles. Is it just problems with the software or does it really count as a complete cycle?
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Mar 13, 2012
I’m hoping someone can help me troubleshoot some strange behaviour of my Macbook Pro4.1. It’s an early 2008 2.4Ghz Core 2 Duo. I’ve had this running perfectly for the past 2 months with an Apple 65W Magsafe Adaptor, although I recently got an 85w version so I’ve started using that for a bit. I recently read somewhere that it’s good to allow the battery run completely flat once a month or so, so I unplugged the adaptor last week and ran it off the battery for the afternoon. When it was almost done (10% charge left) I went for a shower and came back to find the Macbook powered down. I plugged in the Adaptor back in but I couldn’t get it to start. Â
I have to say at this point, that my 85w adaptor sometimes needs a wiggle at the magsafe end to get it to work. Despite this though I couldnât get the green power LED to light or the Macbook to boot up. I then tried my 65W adaptor, which is perfect, and although the LED lights up (first green and then amber) the macbook just doesnt power up with it. I tried the 85w one again the following day after leaving the macbook disconnected and battery removed overnight, and was pleased to find that it finally booted. Amazingly, despite having no power at all for the whole night it came back with all my applications running, safari tabs and the documents open! Anyway, I noticed from the menu bar that the battery was not charging and I couldnt seem to get it to charge. I ran it all day and the system profile showed that the Battery was about half full and had a ˜normal condition with about 187 charge cycles. However I cant run the Macbook off the battery. When the power cuts out from the 85w adaptor the whole macbook shuts down. The battery isn’t doing anything, even after charging all day and being half charged. What’s more neither of my 65w adaptors can start the macbook no matter how many times I try them. Only my 85w one can boot it, but it’s defective so very rarely seems to work. The 65W ones worked perfectly before,so I don’t know what’s changed.Â
I read the Apple guide to resetting the SMC and have now followed the procedure several times, but it hasn’t helped. I cannot boot the Mac any more. Does this Macbook come with an 85w adaptor or 65w? I’m confused because the 65w ones always worked until now. Also, the battery itself is only 60w. I’m going to purchase another 85w Adaptor, in the meantime any advice would be very welcome.
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Aug 30, 2014
So when I charge my macbook pro retina display too a 100% and then when I come back the next day and turn it on the battery has drained by itself by like 7%. Sometimes they are even drastic changes like 15-20%? I have just bought this macbook and is only a week and a half old? What should I do?
Info:
MacBook Pro with Retina display
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Mar 23, 2009
I have a sleep problem with my MacBook (9400M White). I recently resolved a problem where it wouldn't go to sleep by itself if left inactive on battery power (regardless of energy settings) by resetting the SMC and PRAM/NVRAM but now something else has popped up. Now, whenever I cycle my battery down to past the low battery warning popup, it just eventually completely dies. Shouldn't it go to sleep first? That's what my old iBook G4 would do. I doubt it's something related to the SMC or PRAM/NVRAM since I just reset those. What else can I do? I'm pretty sure my MacBook should still have enough juice go to sleep.
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Aug 20, 2010
Is it better, during normal usage, for example at home, where you could either charge your MacBook Pro or let the battery drain until it is used up (5%, ...).
Some people say that letting the battery cycle is the best option, yet other people, including my friend who had lost many many cycles even though he had attempted precautions (Dim screen brightness until one block remained, wireless off, bluetooth off) had said that having your laptop plugged in as muchas possible is the best option, as there would be no cycle change.
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Feb 21, 2009
When I close the lid on my MacBook Pro (Late 2008), the battery drains almost completely over a night or so! Very odd. Anyone else dealing with this? I reset the PRAM already.
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Aug 11, 2009
I just got my mac about a week ago. I'm currently arguing with my grandmother over whether it's better to leave the MBP plugged into the adapter all the time or let it drain the battery.
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Jun 25, 2010
I'm a happy owner of a MBP 2010, 15" i5, 2.4GHz.
Before some days I noticed that Snow Leopard installed its update 10.6.4.
Well no big problem but I have a sense that the time remaining without using AC adapter has slightly fell. Before, using only firefox for example I could see about 6 hours remaining (some minutes after powering on my mac). Now it hardly shows about 4+.
Has any other noticed that?
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Apr 19, 2012
I Have an October 2008 Macbook Unibody 13.3 and after installing Lion the CPU fan stays permanently on and the battery drains in 2 hours. What can I do to fix this?
Info:
MacBook (13-inch Aluminum Late 2008), Mac OS X (10.7.3)
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May 13, 2012
Last night I had a weird experience with my mid-2011 MacBook Pro; I went out to dinner and came back to find the cat had kicked the power cord out, draining the battery. I've had this happen before and wasn't too worried; it's always just restarted after I plugged it back in. This time, however, I plugged it in (getting, perplexingly, a green light on the cord) and nothing happened except for the sleep light slowly flashing; it didn't respond to any pressing on the power button, and the sleep light disappeared if I unplugged the cord. The battery test button on the side got one flashing light (meaning, I believe, a dead battery), which also didn't work if the computer was unplugged.
I left it plugged in while I hunted for info on the problem and about an hour later had just decided that I was going to have to take it in to the Genius Bar when it suddenly booted up. The cord light turned orange and it proceeded to fully recharge over the next two hours. Is this normal behavior after a battery drain? Should I be concerned? Is it worth taking the computer in to get the battery checked, or some other element of the comp? (some of the things I looked at were talking about the logic board, which is not a happy thought) iStat Pro claims the battery is at 41% health, 111 cycles, which I would think would mean it has some life in it yet.
Info:
MacBook Pro, Mac OS X (10.6.7)
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Jul 11, 2010
I keep seeing different anecdotes about people having lagging issues with the Intel HD graphics card. Is it really that bad? It would be a real pain to have to keep it on the nVidia card all the time, even when unplugged. I'm afraid that it will really drain the battery a lot faster than having the Intel on. Anyone have any estimates of this? It's one of the more worrying things about the Pro.
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Apr 18, 2008
My battery needed replacing for a couple of months before i dropped it from about knee level onto a sidewalk. After the drop I got the not charging icon. I thought maybe the battery had just finally died. so I did not panic about the no charge. The laptop works fine when plugged in to power with the old battery on or no battery at all. Not at all when unplugged.
When I put the brand new battery on the lap top, the computer shuts down halfway through boot up. I tried holding the power button down through boot up reset, as well as removing all power (plug and battery) and holding down the power button for 10 seconds reset.
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May 9, 2010
After discovering that the Tweetie app I use turns on the discrete GPU, I've been looking at alternatives to maximize battery life. A lot of twitter clients use Adobe Air, which also seems to get a bad rep, but is that because it drains battery life too, or because it's just buggy otherwise? So far I've been using twhirl without any obvious issues, and I'm testing out the battery usage with that running. I have to admit, I didn't notice any significant battery drain when Tweetie was running, so maybe I'm just overreacting here. If I remember right I got a little over 6 hours, and installed Tweetie about two hours after I turned my MacBook on then. I'd actually prefer twhirl since I use that on the desktop and I'm just used to it, but not if Adobe Air is going to cause problems on my shiny new MacBook.
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Jul 7, 2010
Is it a substantial amount? Considering going magic mouse.
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Sep 20, 2007
Is it strange that my MacBook now just shuts down when it runs out of battery instead of just going into sleep mode? It's about two weeks old now. It used to go into sleep mode, but now it just shuts down once the battery is down. Also, I had the most wonderful experience with Apple. My first macbook (three weeks ago) had a small chip on the screen. When I finally noticed it, I thought it was a large piece of dust so it wasn't too terrible. I tried to exchange it at the local store where I purchased it, but it had already been four days and I had cut out the UPC for the printer and ipod rebate the day before and sent it out. So they recommended that I go see a mac genius and see if I can get the screen replaced because I could no longer exchange it or return it (risk losing my rebates).
So, a bit upset that I was too prompt about getting the rebates in, I scheduled an appointment with a genius. When I spoke to him, he just went to the back and got the manager. The manager said instead fixing the screen, he'd liked to give me a new macbook and instant reimbursement for the ipod and printer! (the rebates I sent in will be rejected since the mac has been returned). The new macbook I noticed has a much louder superdrive seems to be working hard every time the computer wakes up and when I open it, but that definitely beats a chip on the screen. But now it doesn't go to sleep after the battery gets low, but instead shuts off.
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May 5, 2012
My MacBook shuts down on random percentages when used on battery power. I can only use it for FIVE minutes before it shuts down. And as I said, it shuts down before the battery runs down to 0%.
Info:
MacBook, Mac OS X (10.5.8)
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Oct 27, 2010
My Macbook Pro keeps shutting down before I reach zero percent battery and often when the battery still has 25% left. I am wondering if this is a software issue that may be fixed or if there is something incompatible with my hardware. I am running 10.6.4 with a 2.16 GHz Intel Core Duo, 2 GB 667 MHz DDR2 SDRAM memory bought in April of 2007. My mac was originally running Tiger, but a few months ago I updated to Snow Leopard.
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Jul 9, 2008
I have a 1st revision Macbook Pro 15" that's about 2 years and a few months old, and all of a sudden the battery will not provide power past approximately 76%. As soon as the the battery displays, 75% or 76% of the charge remaining, the laptop shuts off completely, does not warn me that my battery is low, and does not sleep or save the contents of my RAM - nothing it should be doing. The battery is only at 149 cycles as of today, and I don't have any sort of AppleCare plan. Is this something I can get replaced under a warranty, or would I have to shell out for a new battery? And is it even worth it?
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Jul 22, 2009
Recently my battery health has dropped to 21% with only 79 cycles. I have tried calibrating the battery and have always done it at least once a month. Just this morning I was running on battery power and it shut off with 65% of charge left. I'm off to college in a month and am wondering if Apple will replace my battery even though I'm not under warranty.
I would take it to an Apple Store but unfortunately the closest one is an hour and a half drive away. Should I try calling Apple?
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Jan 10, 2010
I have a 3 1/2 year old Macbook, my Applecare has ran out. About six months ago my computer began shutting off immediately when unplugged. (Was letting my roomates use the computer, came home one day and it started doing this.) I believe that my battery is OK, it performs between 97% and 99% consistently. When I do the battery test, all of the lights light up.
I've read through the forums and it seems a lot of people are having this problem, but their batteries are bad. What are some options/solutions to this problem? I am willing to invest money wisely into the computer to keep it running smoothly for a while.
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