MacBook Pro Battery overheating and expanding

I purchased a MacBook Pro three years ago and have not had any problems with it. However, during the last month the battery has been getting very hot. And within the last week or two, the battery cover has been expanding and coming loose. I'm guessing that the battery needs to be replaced. But at the moment I don't have the funds to purchase a new one. Can I still run the laptop with the AC power connected and the battery out of the computer? Or will this hurt the laptop?

It's perfectly safe for your hardware to run without the battery. You should be aware however that should there be even the briefest interruption of power, you will lose anything you might be working on if you have not saved it.
Your MacBook will also run at nearly half its normal speed if you use it with the battery removed:
http://support.apple.com/kb/ht2332
Regardless of the two issues raised above, you should not continue to use your machine with that battery installed. It is possible for the expanding battery to create enough upwards pressure to damage the logic board or to cause trackpad/keyboard problems.

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Macbook Pro Battery swollen and Can't charge will affected processing Speed

Will Macbook Pro Battery swollen and Can't charge will affected processing Speed? I read article that processing speed will reduce if we take out the battery however will this affected if our battery unable to charge? My MBP still able to detect battery but no more charging.
My is macbook pro year 2010 macbook 7.1 13 inch

I will replacing it soon, however at mean while I still using it. I just want to check either it will affected my speed for now?

2008 early macbook pro battery normal and charging but stays at 0% Won't charge.Model Information:   Serial Number:     ˇ   Manufacturer:     SMP   Device Name:     ASMB012   Pack Lot Code:     4   PCB Lot Code:     0   Firmware Version:     0dc0   Hardwa

2008 early macbook pro battery normal and charging but stays at 0% Won't charge.
I have reset the SMC and PRAM
The charge light is orange on the magsafe charge cord.
Do I need new battery or is it a hardware issue?
Model Information:
Serial Number:          ˇ
Manufacturer:          SMP
Device Name:          ASMB012
Pack Lot Code:          4
PCB Lot Code:          0
Firmware Version:          0dc0
Hardware Revision:          0
Cell Revision:          0
Charge Information:
Charge Remaining (mAh):          0
Fully Charged:          No
Charging:          Yes
Full Charge Capacity (mAh):          4008
Health Information:
Cycle Count:          125
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          8459
Message was edited by: mcj2112

Reset the SMC > http://support.apple.com/kb/HT3964
It's clear that the battery has got enough capacity to work correctly, so something happens with the MagSafe port or its charger. If you have another charger, try it, and if not, take the MacBook and the charger to an Apple Store or reseller. It's better to do this as we don't know if the problem is in the charger or in the MacBook Pro

Macbook Pro battery/overheating issue

Hello all, I am having issues with my older macbook pro. I recently replaced the battery as per the computer's recommendation. Now the fan is kicking on very loud and the computer will shut off. I have read that these symptoms can be due to overheating. When I replace the battery with the old one the symptoms seem to subside. Is the battery bad or something else wrong potentially? I cannot find anything online really to help me correct the issue.

If you had an Apple store replace the battery you have a 90 day warranty on the battery and the labor to change the battery. So if you did have it done at an Apple store take it back and have them check it out.
If you bought and replaced the battery yourself then most likely the battery is defective and I would not put it back in that Mac.

Macbook Pro battery drained and now it won't turn on

I have an early 2012 Macbook Pro. A couple of weeks ago my charger broke and I couldn't get a new one straight away, so the battery drained and it shut off. I don't normally let that happen, but there wasn't a whole lot I could do about it this time. I have a new magsafe charger now and the LED is solid orange as normal, but the macbook still wont turn on even though it's been charging for a good 50 minutes now. It sounded like it was booting up a couple of times and the first time the screen lit up grey and the loading animation (grey bars) showed up, but now it's just black again. I know it's going to take longer than normal to charge after the battery being completely drained for so long, but is it normal for it to take so long or does it sound like it's bolloxed?

Try a SMC reset:
http://support.apple.com/en-us/ht3964
If no success, make an appointment at an Apple store genius bar for a FREE evaluation.
Ciao.

MacBook Pro battery: Conditioning and using

So, my question is mainly this: Is it harmful to ALWAYS leave the power cord attached and plugged in on my wonderful MacBook Pro? Or is it best to use on battery power only until it is nearly drained?
Also, does one need to condition the battery after so many hours of use?
Thanks

Most of the time my Macbook Pro (first generation) is plugged in, running on A/C power. I have done so for about 7 or 8 months when I first got it. Lately I've been using the battery as it should be used and I've noticed some minor changes with the battery and battery life. Occasionally the battery power meter would show it at only 47940 mWh (at 100%, fully charged), then when I recallibrate it, it would jump back to around 55000 as it was designed straight from the factory.
Again I would take the charger off and use it, and it would only be on a/c when it was being charged. Sometimes it fluctuates drastically, (usually once or twice a month) but a simple recallibration fixes the problem. I'm thinking the reason why it's not constant and steady is because for the first 7 or 8 months of its life it has always been running off the a/c power.
I don't know if this is irregular, it certainly doesn't bother me, but it's just an example that you can look at if you decide how to condition your battery in the future.

MacBook Pro battery indicator and stand-by problems

The battery indicator on the left side of my Macbook Pro shows battery empty all the time, evrn though the battery is charged. It also takes two or three minutes to stand by. Both the problem started at the same time so I think they may be related. What could be the cause of the problems?

Hi, thank you for the quick response.
SMC reset did not work. Here's the power informations:
Informazioni batteria:
Informazioni sul modello:
Numero di serie:    W02444G5YD3LC
Produttore:    SMP
Nome dispositivo:    bq20z451
Pack Lot Code:    0
PCB Lot Code:    0
Versione firmware:    201
Revisione hardware:    000a
Revisione cella:    165
Informazioni sulla carica:
Carica restante (mAh):    4553
Carica completa:    Sì
In carica:    No
Capacità a carica completa (mAh):    4615
Informazioni sulle condizioni della batteria:
Conteggio cicli:    369
Condizione:    Normale
Batteria installata:    Sì
Amperaggio (mA):    -16
Voltaggio (mV):    12290
Impostazioni d’alimentazione del sistema:
Corrente alternata (AC):
Timer per la messa in stop del sistema (minuti):    1
Timer per la messa in stop del disco (minuti):    10
Timer per la messa in stop del monitor (minuti):    1
Riattiva se cambia la corrente alternata:    No
Riattiva all'apertura dello schermo:    Sì
Riattiva se connesso a LAN:    Sì
AutoPowerOff Delay:    14400
AutoPowerOff Enabled:    1
Fonte di alimentazione attuale:    Sì
Lo stop del monitor usa l'attenuazione di luminosità:    Sì
PrioritizeNetworkReachabilityOverSleep:    0
Standby Delay:    4200
Standby Enabled:    0
Batteria:
Timer per la messa in stop del sistema (minuti):    1
Timer per la messa in stop del disco (minuti):    10
Timer per la messa in stop del monitor (minuti):    1
Riattiva se cambia la corrente alternata:    No
Riattiva all'apertura dello schermo:    Sì
AutoPowerOff Delay:    14400
AutoPowerOff Enabled:    1
Lo stop del monitor usa l'attenuazione di luminosità:    Sì
Riduci la luminosità:    Sì
Standby Delay:    4200
Standby Enabled:    0
Configurazione hardware:
UPS installato:    No
Informazioni sul dispositivo di ricarica CA:
Connesso:    Sì
ID:    0x0100
Wattaggio (W):    60
Revisione:    0x0000
Famiglia:    0x00ba
Numero di serie:    0x009977de
In carica:    No
I'm sorry it's in italian but everything is in the same place as the english one, so there shouldn't be any understanding problem.

Macbook pro battery swollen and cover coming off

Installed Lion and noticed my laptop battery swelled and the cover came off. Bought another one and the same thing happened. What's up with this and is Apple covering this?

Call AppleCare

My macbook pro is overheating and the fan is really loud. How can I fix this?

My mackbook is overheating and really loud

Try an SMC reset.
http://support.apple.com/kb/HT3964
If that does not solve the problem, what temperatures are you experiencing in your MBP and what applications are you using?
Ciao.

MacBook Pro battery had accumulated more than a 1000 charges, and stopped functioning unexpectedly. Went and got the battery replaced. Just saw that SMC Firmware 1.6 update deals with this. Possible to get my money back?

MacBook Pro battery had accumulated more than a 1000 charges, and stopped functioning unexpectedly. Went and got the battery replaced. Just saw that SMC Firmware 1.6 update deals with this. Possible to get my money back?

The firmware update corrects an error that may occur, however the techs would have checked the condition of the battery prior to installing a new one. If the battery was questionable, the firmware update was really not too important.
You can check the battery condition by going to the apple, left side of the menu bar, About This Mac, More Info, System Report, Hardware, Power and see what it says about Cycle Count, Condition, Capacity: Condition anything but Normal needs to be checked and may need to be replaced.
The cycle count of 1,000 charge cycles is the typical life of a Lithium-Ion battery, the point at which the capacity drops to 80% of the as built capacity.

Is it possible to virtually bypass the battery on a macbook pro (retina 2014) and power the mac directly via AC power?

Is it possible to virtually bypass the battery on a macbook pro (retina 2014) and power the mac directly via AC power?
E.g. Dell allows you to plug the laptop into AC power but prevent battery charging.
Note: I do not want to physically remove the battery.
If there isn't an option on Mac OS, is there anything I can download to bypass the battery when I want?

Thanks for linking me! Wow I had no idea the clock speed would be cut so severely! What a bunch of rubbish, as if the AC won't provide enough power!
I guess the only solution to my question would be an app which virtually disconnects the battery but tricks the mac into thinking the battery is still connected. I'm just surprised Apple haven't yet started to build prisons for the government - considering how well they lock up their software and hardware!

MacBook and MacBook Pro Battery Update

http://www.apple.com/support/macbook_macbookpro/batteryupdate/
Apple has recently discovered that some batteries used in its MacBook and MacBook Pro notebooks may have battery performance issues. Apple is offering a software update that is designed to improve battery performance.
The battery update is available immediately via Software Update or downloadable here.
Note: The factors causing the performance issues do not present a safety risk. You may continue to use your current battery.
This battery update should be run on all MacBook and MacBook Pro computers and extra batteries that were purchased between February 2006 and April 2007.
If, after you have installed the battery update, your battery has any of the symptoms listed below, please make a reservation to bring your computer with its battery to your local Apple Retail Store, or contact an Apple Authorized Service Provider (AASP), or call your local Apple Support Contact Center. If Apple or an AASP determines that your battery is eligible for replacement, you will receive a new battery, free of charge, even if your MacBook or MacBook Pro is out of warranty.
For MacBook and MacBook Pro systems with Intel Core Duo processors, this program extends repair coverage on the battery for up to two years from the date of purchase of the computer.
Identifying an affected battery
Affected batteries will have one or more of the following symptoms:
Battery is not recognized causing an “X” to appear in the battery icon in the Finder menu bar.
Battery will not charge when computer is plugged into AC power.
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.
Battery pack is visibly deformed.
Note: If your MacBook or MacBook Pro battery does not have any of the symptoms noted above, your battery does not need to be replaced.
Next Steps
To participate in this worldwide program, your MacBook or MacBook Pro battery must show the symptoms noted above. If it does, please make a reservation to bring your computer and battery to your local Apple Retail Store, or contact an Apple Authorized Service Provider (AASP), or call your local Apple Support Contact Center. The U.S. support number is 1-800-275-2273. If you are located outside the U.S., please see Apple's international contact list for your local Apple Technical Support phone number. An Apple technical support representative or an Apple Authorized Service Provider (AASP) will determine if the battery is eligible for replacement, free of charge. Customers are responsible for transportation costs to eligible AASPs and retail stores.
If a replacement battery is sent to you via airmail, it is important that you return the older battery to Apple so that it can be properly recycled.
This program extends repair coverage on the battery for up to two years from the date of purchase of the computer for Intel Core Duo-based MacBook and MacBook Pro computers. Apple will continue to evaluate the battery update program and will provide further extensions as needed. Apple also reserves the right to modify the program if other solutions that address the battery performance issues become available.

For MacBook and MacBook Pro systems with Intel Core Duo processors, this program extends repair coverage on the battery for up to two years from the date of purchase of the computer.
Pretty nice change for those C2D's

Dota 2 and Macbook pro battery

My early 2011 15 inch macbook pro battery drains while connected with 85w charger when i am playing dota 2. Dota 2 runs faily well with very little lag in almost high setting. Shouldn't 85w charger provide adequte power for gaming. Dota 2 is not even a very demanding game. I have only played few small 2d games in my pro and this may be the first time i am playing a 3d game. And also sometimes it doesnt drain even when i play 2-3 matches but most of the other times it drains in single match. I have yet to see it drain down 90% but still. What options do i have to fix this? I am graphic designer so i sometimes do video editing in my macbook pro and i m quite sure some of those renderings are more system hungry than dota 2 and no drain while doing that. Thanks in advance.

What do you mean it didn't work? Are you having a battery issue that the update did not fix? Need some more info. If you look at the webpage that I linked to, it advises to have affected batteries replaced.
Identifying an affected battery
Affected batteries will have one or more of the following symptoms:
Battery is not recognized causing an “X” to appear in the battery icon in the Finder menu bar.
Battery will not charge when computer is plugged into AC power.
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.
Battery pack is visibly deformed.
Note: If your MacBook or MacBook Pro battery does not have any of the symptoms noted above, your battery does not need to be replaced.
If you're replacing batteries every 3 months I would take a look at how you are maintaining your battery. Are you calibrating it when it arrives and then every 6 to 8 weeks afterword? Are you running graphically intensive programs? Do you have a lot of background process in your activity monitor that are taxing the system? Most folks I have seen post here find their battery issues resolved after a replacement, not recurring every 3 months.

Can the Macbook Pro non Retina and Macbook Pro Retina have their battery replaced?

Can the Macbook Pro non Retina and Macbook Pro Retina have their battery replaced?

Yes. You have to take the computer to the Apple store to have it replaced.
Battery
http://www.apple.com/support/macbookair/service/battery/

My MacBook Pro battery is empty and won't charge, but charger is fine

My MacBook Pro battery is empty and won't charge. I did the PRAM reset when there was still some power left in the battery. The charger indicator light doesn't come on when I connect it to MacBook Pro, BUT it works just fine with my old white Mac book. This happened a few times before, and unplugging and plugging the adapter into the MacBook pro helped. Now nothing happens no matter how many times I reset the charger. Is there anything else I can do?

More than likely you need a new battery.

MacBook Pro Battery overheating and expanding

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