IPhone 5 shuts down at 37% battery power...

This has happened 6 times now - all random times (twice when using FaceTime, twice when taking pictures and twice when texting/emailing). When I try to reboot phone I get screen that shows no battery power remains and that you need to plug in phone. I then plug it in and it powers back on and jumps to 47% battery power. Anyone have this experience??

I, too am seeing this happen lately. I'd guess it's because my phone is a year old now but I'd prefer it to be something else. :)
I should mention that I'm still running OS6. I did the "upgrade" to OS7 on my iPad and I HATE it! I figure that eventually I'll have to move up to the new OS sooner or later but I'm holding off as long as possible!
Has anyone had any success in tracking down what the problem actually is?

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Macbook Pro shut down because the battery power ran out. Now I cannot start it and the battery will not charge. Only one green battery charge light lights up and blinks.

My Macbook Pro shut down because the battery power ran out. Now I cannot start it and the battery will not charge. Only one green battery charge light lights up and blinks on the left side. I am running Lion. How do I get this to charge and turn on? Thanks

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 iPhone shuts down when the battery is still 18%, what's wrong?

Sooo my phone started to shut down sooner and sooner (5% - 9% and now 18%).
I usually charge it every night and in the morning it says 100%.
Also, the battery percentage drops a lot in a short amount of time.
I don't use my phone excessively or anything so I don't understand why it would just shut down like this.
- iPhone 4s 16GB with iOS 6.1.3
Please help.

Hi irebecca16,
Thanks for visiting Apple Support Communities.
You may find this article useful for troubleshooting your battery issue:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Best,
Jeremy

My iPhone shuts down when the battery still has about 30%

When I then try to restart, it won't, but just show the red low battery icon with the charger cable telling me to recharge first. When I then plug in the charger, it shows maybe still 27% and starts to charge. Before this problem occured my iPhone went down to 1% or so and only THEN shut down automatically.
Have reset my iPhone and "recalibrated" the battery (total discharge followed by a full charge to 100% with original iPhone charger). Problem persists.
Thanks for any help!

Sorry, iPhone 4S, but IOS 7 something.

Computer Shuts down when on battery power at 80%

The battery power indicates anywhere from 80% to 90% and will shut down the computer.
No warning, No Low Battery indicator, No error messages.
The only way to boot up is to use the power adapter.
I have tried to reset the computer
I have tried to update the latest battery update, but it tells me it is already installed.
This computer is 8 months old.
Is there anything else I can try?

I had/have this exact same problem after I installed the battery update 1.3 on Macbook Pro a few days ago.
I tried a SMC reset & a PRAM reset, all to no avail.
I called Apple today & talked with 2 different agents explaining my problem. One askked me to do another PRAM reset, which I did, again, to no success.
So, they are sending me a new battery, which I am really hoping will solve my problem (Macbook Pro shutting down instantly on an almost full battery at around 84% while not attached to the power cord).
Thing is, I never had a problem with the battery before I installed this update, so this battery update 1.3 somehow corrupted my battery/settings, and unfortunetly once you run this update, your stuck.
There is no way to undo this update as it changes the firmware permanetly.
Ugh.
Next time, I am not going to be so quick when installing "updates", I apparently really don't need. This battery update 1.3 has just caused me headaches & problems on my new Macbook pro.
Heed my advice. Research firmware updates carefully before subjecting your computer to these unneeded "fixes".
My advice is to call Apple & let them know of this problem. Get a new battery. They were apparently unware of this problem update when I called today, and more people need to be vocal about this & complain about this apparently corrupt battery update.
Good Luck.

Ipod mini- 3/4 battery shutting down with "no battery power remaining"

After fully charging my ipod mini, while it still has 3/4 battery on the battery meter in the corner will shut itself down due to "no battery power remaining" if i push the NEXT button too many times in a row. This is a consistant problem and always happens when i have a half battery power or more. I do keep it in Shuffle mode, and i am fully aware that will drain the battery quicker, however there should be no reason a freshly charged ipod with 3/4 battery should not be able to shuffle a few songs without shutting down. Has anyone else ever had this problem or knows of any solution for fixing it? Any help would be appreciated!!

my ipod is doing the same thing...except when I turn it on it will say i have 3/4 battery for only about 10 seconds, then it turns off. All the other forums I have read say to get the battery replaced, but Apple can and usually does send a faulty battery so it might be time for a new ipod.

Macbook Pro (Mid 2009) Shuts down at 24% battery power

For the past few days my Macbook Pro, the one I've had since the summer of 2009, has been shutting down at random times. Not only does it shut down without warning but it restarts my clock to March 24 2001, at 7:30pm every time. What the heck? Especially since this week is finals week, I have to trust my computer to hold out for four more days before it can stop working, but until then I just want to know what the problem could be.

euji wrote:
For the past few days my Macbook Pro, the one I've had since the summer of 2009, has been shutting down at random times. Not only does it shut down without warning but it restarts my clock to March 24 2001, at 7:30pm every time. What the heck? Especially since this week is finals week, I have to trust my computer to hold out for four more days before it can stop working, but until then I just want to know what the problem could be.
Time to recalibrate your battery meter .....

Apple Cinema Display Shuts Down under MBP Battery Power

Just had the logic board replaced on my early-2008 MBP. Got home, connected to my Apple Cinema display, everything's fine. However, when I disconnect the laptop power source, the cinema display goes dark. I can click the mouse, my password prompt comes up, I enter the password and the display comes back for a few seconds, then goes dark again. If I wait more than a few seconds the laptop goes into sleep mode. Only when I reconnect the power does it come back to life. Not sure what the issue is, I checked all the battery and power settings, I don't have anything set to automatically go into sleep mode. Also went to the display panel, clicked "Detect". Still having the problem. Someone once before suggested checking the option to "Mirror" the displays, but I don't even see that option in the display panel any longer.
Any suggestions?

FWIW this has never worked with an external display while on battery power alone either in Clamshell mode or Mirroring/Extended Desktop - I thought the MagSafe was a requirement did it works without it before the replacement ??

Better sleep or shut down to reduce battery power lost for MBP?

better sleep or shutdown the MBP late 2011 because it seems that sleep will make battery loss percentage even a fews...

Shutdown will preserve the battery charge level for the longest period of time.
Rechargeable batteries are subject to self discharge so it will still lose charge but at a much lower rate than while in sleep.

Macbook Pro random shut down whilst using battery

My Macbook Pro randomly shuts down whilst using battery power even though their is plenty of charge in the battery.
Any ideas??

does it do it when plugged in?
Also it sounds that there's a power failure and causing it to shutdown, I would get it serviced asap, the battery connector might be faulty.

Iphone 4 battery goes to half and iPhone shuts down. I have to charge to power back on. any ideas as to why this is happening?

iPhone 4 battery goes to 50% and iPhone shuts down. I have to charge it to power back on. any ideas as to why this is happening?

You may want to try this:
1. Backup iPad
2. Setup iPad as new. Settings>General>Reset>Erase all content and settings
3. Test iPad thoroughly
4. If everything is fine, restore backup to iPad

Iphone 5 shuts down, as if no power, none of the buttons work.

IPhone 5 shuts down, as if no power, none of the buttons work. When plug back the charger cable, the screen immediately comes on and battery shows 40% or 50% or even 80%? Also, battery drains very fast on both IPhones after recent ipdate of IOS. Please help.

Hello there, noviipareni.
The following Knowledge Base article offers some great steps for troubleshooting issues with unexpected power off:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Additionally this article reviews some recommendations for optimizing your settings for battery life optimization:
Apple - Batteries - iPhone
http://www.apple.com/batteries/iphone.html
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

IPhone 4S shuts down with 30% battery life iOS 8.1.1

Last week I updated my iPhone 4S from iOS 7 to iOS 8.1.1. Allthough the battery level is 30%, my iPhone shuts down. I can only start it again by connecting it to a power supply (computer or charger) to get it back to life again. And if it is restarted, the battery level again is 30%. This is very annoying. I regret is very much that I updated the iOS.
Apple please solve this a.s.a.p!

Did you already try to set up your phone as new device?
How to erase your iOS device and then set it up as a new device or restore it from backups
Use iTunes to restore your iOS device to factory settings - Apple Support
If this does not work, contact Apple Support, they can send you a test file to find out if your battery is damaged.
You can also visit an Authorized Apple Service Provider to do so.
iPhone - Contact Support - Apple Support
Since this is a user to user forum, Apple can't hear you, feel free to use this feedback link:
Apple - iPhone - Feedback

Iphone 4 shuts down after disconnecting from power cable

My iphone 4 completely shuts down after disconnecting from power cord. The screen goes blank. However, if I re-plug the power supply it turns on with the date and time changed but my battery status is 86%.

Reset, hold both Home and Power buttons for about 15 seconds until iPhone restarts. If everthing is OK, great. If not, connect to iTunes and try to Restore the Firmware. If still problems, make appointment with Apple Genius for Warranty service.

My iPhone automatically shuts down when the battery reaches 50%. How can I resolve it?

My iPhone 4 iOS 7.0 automatically shuts down when the battery charge reaches 50%. Is it a battery problem or is it the phone?

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

IPhone 5 shuts down at 37% battery power...

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