OS2.0 PB turns off when battery drops below 10%

My PB will turn off when the battery drops below 10%. Is this a bug or just normal?
I've updated it to OS 2.0.
Thank you!

It should run down to 0%.
This is definitely not normal.
1. If any post helps you please click the below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!

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Why does computer turn off when battery 40%?

Why does computer turn off when battery around 40%? I have tried replacing the battery.

Replacing as in "removed, re-installed", or "bought a new one"?
This is my display from "Apple menu > About This Mac > More Info > Power"
"Normal" means no issues.
I will stop now in case you have actually put in a *new* battery ...

My iPhone 4s turns off after battery gets below 40% and sometimes when I take a photo,it shows the photo in the photo album but will display a white screen when i tap on the photo. Please help thank you :)

My Iphone 4s is 2 years and 3 months old. the battery drains very quickly, sometimes turning off once it reaches 40% if I open an app or say the camera.
I charge it more than twice a day now as the battery life is so poor.
Also, when I take a photo, the phot sometimes shows in the album, but if I click on it, it shows up as a white screen and I cannot send the photo either as the recipient gets a blank screen.
I am not super flash with technology, so please be nice!
Thank you

Basic troubleshooting from the User's Guide is reset, restart, restore (first from backup then as new). Try each of these in order until the issue is resolved.
If the issue persists, take the device to Apple for evaluation and possible replacement.

My iPhone 3G turned off when i dropped it, and since then i try turning it on and it won't pass the apple logo, what do i do?

I dropped My iPhone 3G it turned off and since then i've tried turning it on & it won't boot through the apple logo, i already tried pressing the home button and the log off one but its the same. what do i do?!

Before you bring it in to the store, you could rule out software by placing the phone in DFU mode and restoring the OS. In the absence of hardware issues, the DFU restore will solve the issue of the phone being stuck on the Apple logo. It will also remove al data from the phone so hopefully you have a recent backup.
To put your iPhone/iPod into DFU mode:
1. Make sure the iPhone/iPod is connected to the computer
2. Hold down the sleep/wake button and home button at the same time for 8 seconds
3. Let go of the sleep/wake button and keep holding down the home button
4. If you are successful, a dialog box will pop up in iTunes stating that iTunes has detected an iPod/iPhone in recovery mode. Note that a successful DFU will result in a blank black screen on your iPhone/iPod.
5. Click OK, then click the restore button in iTunes.
Hopefully after that you will be able to resync your data and be good to go.
Hope this helps.

My Iphone 4s shuts off once it drops below 20% battery as if its completely dead. Before the update it would stay on until at least 5% or less.

I have updated my phone to the most recent but now my phone will randomly shut off after it drops below about 20% battery life... tonight I was at 21% and it shut off as if it was completely dead. Yesterday it died completely at 13%. It doesn't turn back on until it is plugged in and sometimes it will pop back on immediately after being plugged in. Is there a way to fix this or does another small update to fix this have to come out?

I have the same issue. I think it may be related to cold weather. I am now inside writing this without plugging it in immediately after it repeatedly shut off outside with ~18% battery. This is really bad. It almost left me stranded as I was expecting to call for a ride.
iPhone 4S, iOS 6.0.1, Sprint

Why does my iPhone 4S running iOS 7.0.4 turn off when it has 30 percent of battery,the percentage sometimes varies it can be 50%.Please help its annoying

I don't understand why it does this it turns off when it has above 20% of battery, I need to find out what's wrong because it's becoming really frustrating, please help. Does anyone else's do this?
Thanks

Hello Calduffy,
Thank you for the details of the issue you are experiencing with your iPhone4. I would be concerned too if my iPhone was unexpectedly powering off. I found an article with steps you can take when you encounter an issue like this. I recommend following the steps below:
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.
My issue is still not resolved. What do I do next?
Contact Apple Support.
You can find the full article here:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Thank you for using Apple Support Communities.
Best,
Sheila M.

My iPhone 4S was turned off when the battery got empty, and when I put it on the charger it didn't charge at all. I tried restarting it (on/off home button for 10 sec) nothing happened except it kept giving me the "charge battery" on its screen.

Hi! My iPhone 4S was turned off when the battery got empty, and when I put it on the charger it didn't charge at all. I tried restarting it (on/off home button for 10 sec) nothing happened except it kept giving me the "charge battery" on its screen. I tried with different chargers, still dead! What's weirder is that my sister who has iPhone 4 experienced the same today! No we don't live in the same house!! Does anyone have the same problem?
Please apple support do you people have a convincing answer for us? Is there a solution? My phone is only 2 years old and was (2 hours ago), in top condition!!
Please help....

imanfromsweden wrote:
Please apple support do you people have a convincing answer for us? Is there a solution? My phone is only 2 years old and was (2 hours ago), in top condition!!
Please help....
On belhalf of my fellow volunteers, the answer is, "We'll try our best."
My advice is to try not to treat this like it is a paid service provided by compensated professionals. Ask nicely and one of the nice folks here might take some time out of their weekend to offer advice.

I dropped my iPhone and i tried to turn it on but it only comes on at curtain times. And it turns back off when I drop it just a little bit. Sometimes it takes like three days to turn back on. How do I get it to work regularly again?? Please help!!!

I dropped my iPhone and i tried to turn it on but it only comes on at curtain times. And it turns back off when I drop it just a little bit. Sometimes it takes like three days to turn back on. How do I get it to work regularly again?? Please help!!!

Seems like there is some physical damage causing an intermittent issue of the iPhone being unable to power on.
You could try a reset:
- hold the home button and sleep/wake button down at the same time
- the iphone will turn off(keep holding) then when the Apple logo appears release both buttons
If the reset fails I would suggest next time it powers on to try and back it up to either iTunes/iCloud then you can try a restore to factory settings or just back up and book an appointment at an Apple Store to have the iPhone evaluated.
All the best

IPod classic won't turn off when plugged into a home theater dock; what's up? will it hurt to leave it on all the time?

I bought a new iPod Classic and it won't turn off when plugged into a home theater dock. Is this normal and will it hurt the iPod if i leave it on all the time?

Hi there,
How old is your Classic? Often, after a couple of years, rechargable batteries begin to fail, especially after such a long period of inactivity. This happens with any gadget with this type of battery.
Try leaving it plugged in for 24 hours, and try again, to rule out that it isn't just really low on charge. If this doesn't help, it may be a good time to buy a replacement. New iPod Nanos and Touches will be released this October.
Below, I've linked to an Apple website which explains rechargable batteries, and why yours may not be working.
Apple - Batteries
I hope this helps, and I hope upgrading your device will not feel like an unnecessary expense. Let me know if you have any more questions,
Nathan

IBook randomly turns off *when plugged in,* how long can my iBook last me?

O Sages of Mac Wisdom,
Help! I've been Googling and looking at forums all over the place for help. I have seen many posts about other iBooks shutting off randomly when they are on battery power, but have not seen any that answered questions about iBooks turning off when they are plugged in. It happened four times in the span of two and a half weeks and has stopped (no incidents for the past two weeks). I have reset my PRAM and PMU. Why would it be turning off on its own when it is plugged in?
Second question: my battery only lasts for about a 45 minutes from a 99% charge. Here's the information on it:
Battery Information:
Charge Information:
Charge remaining (mAh): 1438
Charging: Yes
Full charge capacity (mAh): 1544
Health Information:
Cycle count: 95
Battery Installed: Yes
Amperage (mA): 934
Voltage (mV): 12508
I bought a new battery from ifixit.com, rated at "good" condition, and it will last for an hour until it gets to 75%, then drops down to 0% in five minutes and the iBook goes to sleep. It could be just that they gave me a crappy one, but here's the information on it anyway:
Battery Information:
Charge Information:
Charge remaining (mAh): 5236
Charging: Yes
Full charge capacity (mAh): 5804
Health Information:
Cycle count: 91
Battery Installed: Yes
Amperage (mA): 962
Voltage (mV): 12511
Thoughts?
Final question: I have some extra money now, and I won't after July, when I'm done with my MA and have to break down and find an actual job (also won't have the Ed Discount after July). I want to get the most out of this iBook, but I also don't want to be screwed in a year or two and not be able to afford a new computer. In other words, do you have any estimate on how much more mileage I can get out of this one? Any past experiences anyone has had would be helpful!

Hey steck and Welcome to Apple Discussions,
Why would it be turning off on its own when it is plugged in?
Have you been on the machine when this happens? Are there any unusual symptoms when this happens?
Next:
Download Temp Monitor here and run it:
http://www.bresink.de/osx/TemperatureMonitor.html
report back
There could also be a DC in board problem or a PMU problem.
Battery problem:
Charge Information:
Charge remaining (mAh): 1438
Charging: Yes
Full charge capacity (mAh): 1544
That's about a third of what it should be.
The ifixit battery:
Charge remaining (mAh): 5236
Charging: Yes
Full charge capacity (mAh): 5804
That one should run it for 5 hours. It could be bad.
Did you calibrate it when you got it?
http://support.apple.com/kb/HT1490
In other words, do you have any estimate on how much more mileage I can get out of this one? Any past experiences anyone has had would be helpful!
Well with your current situation, there is a big question mark. However I use and continue to use a 14" 1.2 iBook and feel very confident in it. Mostly I know the problems that can occur and have repaired all of them myself. I also repair and donate them to inner city school teachers, since I can get good deals on broken ones (or they're donated).
Sort of like this:
http://www.lowendmac.com/ed/herlihy/09ph/ibook-netbook.html
Richard
Message was edited by: spudnuty
Message was edited by: spudnuty

My iphone5 will die or just turn off, when I plug in the charger the screen just keeps turning

My iphone5 will die or just turn off, when I plug in the charger the screen just keeps turning off and on. It will do this for hours until it finally stays on and charges. I've gotten a new charger, but it didn't work. Help

Hi there katygracie88,
You may find the troubleshooting steps in the article below helpful.
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
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 LCIs and 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.
Issue not resolved
My issue is still not resolved. What do I do next?
Contact Apple Support.
-Griff W.

IPhone 5 keeps turning off after battery replacement

iPhone 5 keeps turning off after battery replacement. After 10 minutes or so, the phone freezes and shuts off, can't even use it anymore.

Hi there Luke811813,
I would recommend taking a look at the troubleshooting steps found in the article below.
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Will not turn on, will not turn on unless connected to power, or unexpected power off
1.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.
2.Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
3.Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
4.After at least 15 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.
5.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.
6.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.
7.If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Issue not resolved
My issue is still not resolved. What do I do next?
Contact Apple Support.
-Griff W.

How can I turn off my battery percentage warning?

HI, how can I turn off the battery warning on my 4s phone? It freezes up my aps if I am using them when it comes on of when any pop up warning comes on like wifi network indicators. I can turn those off but not the battery thing.

You can let Apple know here http://www.apple.com/feedback/

Macbook works fine when plugged in, turns off when unplugged.

Hello all,
As stated my 2008 Unibody 13 inch, serial number W8******1AX turns on and works fine when it is connected to power.
When it is unplugged it instantly turns off and turns its fans on full until it depletes the battery (so it is obviously getting power.. just not where I want it)
Since the problem began I have tried two new batteries, neither of which had any different symptoms.
Before this, the computer had an intermittent life, it would turn off when it saw fit, which got progressively worse.
I have followed the guides to resetting the SMC but have had no luck
I have been running it without the battery (to save it charging and discharging for no reason) and sometimes when plugged in without a battery
the magsafe green indicator light goes from dim to bright.
With the battery installed it stays bright orange until it is charged and then switches to bright green.
(I have tried it with another charger, same symptoms)
Here is the Battery Read out;
Battery Information:
Model Information:
Serial Number:          ?00€›Æ⁄¬+9tt
Manufacturer:          GSA-1280
Device Name:          ASMB016
Pack Lot Code:          3230
PCB Lot Code:          30db
Firmware Version:          ddae
Hardware Revision:          dac2
Cell Revision:          2b39
Charge Information:
Charge Remaining (mAh):          4113
Fully Charged:          No
Charging:          Yes
Full Charge Capacity (mAh):          4200
Health Information:
Cycle Count:          1
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          379
Voltage (mV):          12275
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          15
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          5
Automatic Restart on Power Loss:          No
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Wake on LAN:          Yes
Current Power Source:          Yes
Display Sleep Uses Dim:          Yes
PrioritizeNetworkReachabilityOverSleep:          0
Battery Power:
System Sleep Timer (Minutes):          2
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          1
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          Yes
ID:          0x0100
Wattage (W):          60
Revision:          0x0000
Family:          0x00ba
Serial Number:          0x00ebc719
Charging:          Yes
Power Events:
Repeating Events:
Type:          Wake or Power On
If this at all helps.
I'm at my wits end with this thing, I know it is getting on in age, but other then this, it has been flawless in its operation.
If anyone has any suggestions I would be happy to hear them.
Many thanks!!
<Edited By Host>

There may be a hardware cause behind the symptoms you cite, so a diagnostic
is recommended to see which parts are weak or failed in the computer. A visit to
an Apple Store with Genius bar may be helpful, as they can perform testing there.
A call ahead or use their web page, to schedule an appointment, is advised.
In the US and Canada, the Genius bar at a retail Apple Store can perform
a diagnostic service, for no fee, even on Apple products without AppleCare.
See links:
Apple - Concierge
Genius Bar - Apple Retail Store:
http://www.apple.com/retail/geniusbar/
List of Apple Stores, cities, countries:
http://www.apple.com/retail/storelist/
Also authorized Apple service providers who can test, repair and guarantee their
work should be able to handle an out-of-warranty older Mac, within age limits...
Ones too old for the Apple Store could be serviced at a Specialist, instead.
•Find Locations - Sales, Service, Training, Consulting:
https://locate.apple.com/
•Did you try resetting the System Management Controller?
Intel-based Macs: Resetting the System Management Controller (SMC)
•A reset of NVRAM may help with some issues:
About NVRAM and PRAM
•Calibrating is part of maintenance, esp with older portables:
Apple Portables: Calibrating your computer's battery for best performance
•The power adapter can be problematic and cause issues, so there's this:
Apple Portables: Troubleshooting MagSafe adapters
Also another item, other than keeping the magnetic connections clean of
debris, grime, and corrosion, is to check the MagSafe Board or have it
checked as part of a greater diagnostic. This board is behind the port
that supplies the computer and the battery with power from the adapter.
When it partially fails or if/when one of the connecting wires or plug fails
you can find odd issues or partial use. The battery may charge but it
may not be able to power the computer, and other odd effects.
https://www.ifixit.com/Device/MacBook
In older portable Macs, this was generally called a 'DC-in board' and as
such, you could read about it in an iFixit repair guide for the MacBook
model you have. These vary so the matching article is recommended to
see if that is something you may want to try. But I would have diagnostic
testing done and avoid additional damages from attempted DIY efforts.
There have been a few reports of other failure on the logic board that
contributes to a partial failure of the charging system, so about all this
may do is troubleshoot around the failure without finding an exact cause.
However it goes...
Good luck & happy computing!

I'm sure your'e going to tell me I just need a new phone but maybe there is hope for my iphone 4. It will not charge past 66% (it's not the charger), it turns off when unplugged, and it will not even let me turn my wi fi to the on possition. Help!

'm sure your'e going to tell me I just need a new phone but maybe there is hope for my iphone 4. It will not charge past 66% (it's not the charger), it turns off when unplugged, and it will not even let me turn my wi fi to the on possition. Help!

Hi there 8472kck!
I have some information for you that can help you troubleshoot this issue a little further. That information can be found right here:
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 15 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.
and that information comes from this article:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
Thanks for being a part of the Apple Support Communities!
Regards,
Braden

OS2.0 PB turns off when battery drops below 10%

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