Suddenly shutdown when the battery is lower than 6%

suddenly shutdown when the battery is lower than 6% (sometimes lower than 10%)and can not power on anymore, you need to plug the AC to trigger to power on the phone.

Your battery gauge needs to be recalibrated. When the phone goes off, charge for just a couple of minutes, then run the battery down all the way. If it shuts off above 1% charge again for a couple of minutes, then run down again. Repeat until it actually goes off at 1%. Then charge for 4 hours with the wall charger without using the phone.
To prevent this happening again, about once a month run the battery all the way down until the phone shuts off, then charge to 100% with a wall charger. (This is actually recommended in Apple's iPhone tips, but they don't say why to do it. The "why" is to recalibrate the battery gauge.)

Similar Messages

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.

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

TS2734 how can i see my find my iphone location when the battery died more than 24 hours ago?

I think i have lost my phone in the house, but i have looked absolutely everywhere. I know the battery has died as last time i had it (3 days ago) it had 5% battery left. Is there a way of seeing the last known location when it was mpre than 24 hours ago? Please help as dont want to wait for insurance claim and be without a phone for even longer

Welcome to the Apple Community.
Unfortunately, Find my Phone does not keep that type of information.

Just curious as to if I should be charging my mac every time im using it or when the battery gets low? i just want to make my battery last.

when im not charging it I find when im doing a lot of browsing on social media and with pictures it goes through it fast kinda, and when im just writing documents it doesnt go as fast. My friend said I should only charge it when I need the computer for a long time.

Here is what Apple suggests:
For proper maintenance of a lithium-based battery, it’s important to keep the electrons in it moving occasionally. Apple does not recommend leaving your portable plugged in all the time. An ideal use would be a commuter who uses her notebook on the train, then plugs it in at the office to charge. This keeps the battery juices flowing. If on the other hand, you use a desktop computer at work, and save a notebook for infrequent travel, Apple recommends charging and discharging its battery at least once per month. Need a reminder? Add an event to your desktop’s iCal. When your battery no longer holds sufficient charge to meet your needs, you may choose to replace it. If your notebook came with a built-in battery, you should have the battery replaced only by an Apple Authorized Service Provider.
Apple - Batteries - Notebooks

Auto reboots when battery is lower than 50%

Hi, I have my 4s 16gb from this year Jan. I knew that Iphone 4S long have a problem with the battery. It is horrible but recently my unit will auto reboot when the battery is lower than 50%............ which I can only use my phone with 3G for 4 h then have to recharge........... Plz help!!!

JUst in windows or osx too?

W520 sudden shutdown (not the known one)

evenyone experienced this simptum all of a sudden my pc shutsdown and when i restart it it tells me it closed itself because if noticed the battery got to critical level... wierd this is i got 95% left... and i have the pc less than a year so i battery is still good...
i got no idea whats wrong maybe i need to reset the battery stats?

This only happens on battery or also when plugged in?
Usually what the battery gets too low it doesn't just shut down it hibernates. Is your computer hibernating, shutting down, or instantly turning off?
Also, go in to your Windows power settings and see what the settings are for when the battery gets low: what is the low battery threshold and what is the laptop being instructed to do?
W520 i7-2720QM | 32 GB RAM 1333 MHz | FHD 1920x1080 | Quadro 1000M | Windows 7 & Ubuntu 14.04
Crucial M500 480GB mSATA + 2 x 1 TB Hitachi Travelstar 7200 rpm | BIOS 1.38

I installed the ios 5.0.1 and now suddenly close apps and battery dies faster than the ios5!

I installed the ios 5.0.1 and now suddenly close apps and battery dies faster than the ios5!
we need the 5.0.2 or 5.1 ios quickly!
thks

A few people that post here have said they are having trouble with there battery life. As for the apps crashing, have you reset you iPad , it may help.

My battery is fully charged but when I hook it up with a cord to the Aux it says that the battery is low.

I have the iPod classic 30GB and just recently am experiencing problems with the battery. When I connect it to my truck through the cord AUX it will play for maybe 10 minutes and then die out telling me the battery is low needs to be charged. I know that can't be especially since I know it was fully charged before I connected. Is it possible that I just need to get a new battery?

If it's an older 3rd or 4th gen iPod, and not the 5th gen "video" iPod, the battery is not that hard to change yourself, if you are good at such things. This web site has repair guides
http://www.ifixit.com/Device/iPod_Original
The part can usually found on eBay or other online sources. If you pay for the replacement, the service cost may not be economical.
You can also do the replacement on the 5th gen iPod, but the seam is VERY tight on that model, so opening it up is more difficult.

When I use my 5 year old MBP on battery it suddenly shuts off when the battery life reaches 88%. Anyone know why and how to fix it?

when I use my 5 year old MBP on battery it suddenly shuts off when the battery life reaches 88%. Anyone know why and how to fix it?

Model Information:
Manufacturer:          Sony
Device Name:          ASMB012
Pack Lot Code:          1
PCB Lot Code:          0
Firmware Version:          110
Hardware Revision:          500
Cell Revision:          303
Charge Information:
Charge Remaining (mAh):          4108
Fully Charged:          Yes
Charging:          No
Full Charge Capacity (mAh):          4200
Health Information:
Cycle Count:          40
Condition:          Service Battery
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          12361

Random Shutdowns when on Battery Power

Hello!
My Macbook Pro is about 2 years old and it seems to be randomly shutting down when the battery is at about 40%. This has happened twice in the past 3 days. Both times, when the battery was at about 35-45% and was not plugged in with an adapter the computer would shut down without any warning and wouldn't turn on again unless it was plugged in. Once it restated (the full boot up) no applications acted as if they had "crashed" (though, thankfully I was never in the process of working on something, just browsing the internet), and Firefox, when reopened, opened up all my tabs as before the system crashed. Also, once it restarted the battery wasn't depleted and still showed about a 45% charge.
To complicate matters, the computer doesn't die every time the battery reaches 35-45% (one of those days it decharged fully and gave me the reserve battery warning as usual), so it doesn't seem to be a dead cell in the battery, if I understand correctly. The first time it randomly shut down was 3 days ago. Earlier today my computer decharged fully and gave me a reserve battery warning, at which point I plugged it in. However this evening it again died on my at 45% battery life, I restarted it by plugging it in, and then as an experiment unplugged it once it had started up. In the next 10 minutes it shut down once more.
I've removed the battery and there isn't any dust or grime, so that's not the problem as far as I know.
My battery information in the System Profiler comes out like this:
Charge Information:
Charge remaining (mAh): 1731
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 2547
Health Information:
Cycle count: 125
Condition: Check Battery
So, is my battery dead or in the process of dying and I should consider replacing it? I'm still a little fuzzy on how cycle counts work, but 2 years seems like not a lot of time before replacing a battery.
Maybe my computer is overheating (I do have a case on it, but it should ventilate correctly)?
Or perhaps it has a virus? Though I have Norton Antivirus and it runs scans about 3 times a week and has not found anything ever.
I'd like to get this sorted out so I don't have to be paranoid about loosing my data in case I ever am working on something. And I'd really like to not have to plug it in all the time (I'm a college student...plugging it in everywhere on campus can be a pain in the ***).
Thanks!!

mybluehighways,
looking at your battery figures, your description of the computer's behaviour, and the age of the battery it is pretty clear that it has simply deteriorated to the point where it can no longer sustain normal operation.
The short answer is that you need a new battery.
The long answer is that when computers running on batteries shut down unexpectedly it is simply because the battery is not able to provide the transient power needed for a particular task or tasks. It usually occurs because the internal resistance in the battery has built up to the point where, though the battery can still store electricity, it can't deliver it sufficiently quickly to meet the demand.
It is like a car with plenty of petrol in the tank but a faulty fuel pump. It will trundle along quite happily on the flat for quite a while, but if you put your foot down to overtake or climb a hill the engine will stall because it can't get enough gas to meet the increased demand. At this point you can choose the dangerous option to keep on driving on flat roads only, and to never overtake anything or "put your foot down" to get out of trouble until the fuel pump dies completely (which you can be certain it will soon do), or you can get it fixed by getting a new one. The same applies with batteries, though you are "only" risking data loss and hard drive corruption with a computer, rather than your life!
The variation in the amount of time for which it ran before cutting out will simply be due to variations in power demand when doing different sorts of tasks. You will find, too, that the battery will cut out earlier and earlier, under lower and lower power demand situations, as it continues to deteriorate. (Once these batteries start exhibiting this behaviour you can be sure that they are well on the way out)
If you take your battery to an Apple AASP or Apple Store they can quickly test it for you, but if I were you I'd be preparing to buy a new one.
This has nothing to do with viruses or the like. It is a very common experience with the batteries in these MBPs when they are around a couple of years old. My own first battery in essentially the same model became problematic after 18 months.
Cheers
Rod
Message was edited by: Rod Hagen

ZBook 17 powers on automatically when the battery is removed and placed back

Hi all,
I am an IT engineer with a 15 years hands on experience and troubleshooting skills.
2 of the laptops I own are ZBook 17.
One is a UK import (F0V53ET, manufactured in October 2013) and the other is a US import (D5D93AV, manufactured in April 2014). Both of them are running the latest BIOS revision (v01.21).
The strange problem I encountered is as follows:
At the D5D93AV when the AC and the battery are removed (i.e. for upgrading the RAM), when the battery is placed back in, the system automatically powers on. Same applies if there is NO battery attached and the AC plug is attached.
At the F0V53ET, this does not happen (and the normal is NOT to happen).
What I tried to do so far to see if the problem is resolved at the D5D93AV:
1) I upgraded the BIOS to the latest version (v01.21) at both the ZBooks.
2) Ensured that BOTH the laptops have exactly identical BIOS settings.
3) Ensured that turn on the machine while on AC is UNCHECKED.
4) Ensured that there are no power on options enabled (like the timed power on, e.t.c.)
5) Tried to disable settings like "USB charge, wake on USB" e.t.c.
6) Tried to remove the CMOS battery, press the power button with no battery or AC to fully discharge, attach the CMOS battery after a minute to ensure the CMOS was cleared and placed everything back.
7) Tried to replace the OS from Windows 8.1 Pro to Windows 7 Pro to see if it has an impact to the UEFI Bios settings (i.e. any conflict with Hybrid sleep e.t.c.).
8) Tried to enable "Power on while on AC" to see if the system behavior changes. When the battery is attached and the AC is also attached, it will power on if the "Power on while on AC" is enabled (so this works as expected).
9) The problem gets reproduced ONLY when there is either no battery and the AC is attached, or when the battery is attached without the AC (i.e. after reassembling the machine after a RAM upgrade). Then it powers on automatically.
10) I also swapped the batteries between the 2 ZBooks but the issue with the US model is not resolved either. The battery works fine.
It seems to be either a BIOS issue, or a Power Board issue (hardware fault). The UK model behaves as expected, while the US model seems to have these issues.
Any ideas will be really useful.
So far this is what I did not try yet (due to lack of time):
11) To attach the US model to a docking station and see how it behaves.
12) To disable or enable the Hybrid sleep from the Bios (instead of leaving this to AUTO).
13) To replace the CMOS battery (swap them between the 2 Zbooks), although I don't think it might be the battery as the US unit is NEW with 12 hours of use.
14) To completely remove (or swap) the Optical drives and see if the problem still persists. I know there are some really rare occassions that the Optical drive might be partially faulty and short circuiting. It may sound crazy, but I have seen and experienced this more than 3 times espexially at desktop machines.
Any info or tips will be useful, although I am afraid I may have to escalate it to the 3rd line of HP as it is a really odd issue.

Hello, @panoulix
To get your issue more exposure I would suggest posting it in the commercial forums since the HP ZBook 17 Mobile Workstation is a commercial product. You can do this at Notebook - HP ProBook, ZBook, EliteBook, Compaq, Slate/Tablet PC, Armada, LTE.
The support page for your product may be helpful in the meantime:
HP ZBook 17 Mobile Workstation.
I hope this helps!
Thank you for posting on the HP Forums.
I worked on behalf of HP.

My iPod says the battery is low, the apple symbol appears and then cycles back to low battery message?

My older iPod classic says when I dock it either with charger or hooked up to computer that the battery is low, the apple symbol appears, you can hear a whirring sound (hard drive coming on) then a clicking sound and then back to low battery message. Has been doing this for the last week.

Hey there Kevin,
It sounds like your iPod Classic is exhibiting some unexpected behaviour when you have it connected to your computer with the usb cable. I suggest the troubleshooting steps in the following article to help troubleshoot the device:
iPod classic Troubleshooting Assistant
http://www.apple.com/support/ipod/five_rs/classic/
Start by resetting the iPod, then retesting the issue.
Reset
To reset your iPod:
1. Toggle the Hold switch on and off. (Slide it to Hold, then turn it off again.)
2. Press and hold the Menu and Center (Select) buttons simultaneously until the Apple logo appears, about 6 to 10 seconds. You may need to repeat this step.
Tip:
If you are having difficulty resetting your iPod, set it on a flat surface. Make sure the finger pressing the Select button is not touching any part of the click wheel. Also make sure that you are pressing the Menu button toward the outside of the click wheel, and not near the center.
If the above steps did not work, try connecting iPod to a power adapter and plug the power adapter into an electrical outlet, or connect iPod to your computer. Make sure the computer is turned on and isn't set to go to sleep.
Thank you for using Apple Support Communities.
All the very best,
Sterling

Next value of the sequence is lower than the already used value

Hello All
Recently we have done a test migration of a Database from 10.2.0.4 to 11.2.0.2.
The source database was open during the test migration.
We used Datapump utility for this, first we have created the dump files using the EXPDP and then imported to the target DB using IMPDP.
Now we are facing issues with the SEQUENCE as under mentioned
SELECT Max(RegNr) FROM W23AS.werkProstats;
2058292SELECT W23AS.werkRegNr.NEXTVAL FROM Dual;
2058285As you can see the next value of the sequence is lower than the already used value.
Can anybody point out the reason for this.
NOTE : This particular sequence is defined with NOCACHE option.
CREATE SEQUENCE W23AS.werkRegNr START WITH 2000000 NOCACHE;
Thanks InAdvance
Cheers Tapas

Hi Keith
Please find the details as mentioned below
i) You did not migrate the sequences
We migrated the Sequences too.
ii) you migrated the entire schema but these sequences already existed and therefore were not migrated. (ignore error when object exists ).
These sequences were not existing before.

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.
DALE

Suddenly shutdown when the battery is lower than 6%

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