Iphone4s Battery % drops suddenly.

I charge my iphone4s almost every night. When I wake up in the moring, the battery life shows 100% but after few minutes, it drops to 98 or 97% suddenly. Anyone has the same problem?

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I'm using i phone 5, the battery drops suddenly from 20% to 5% what is the reason ? and what is the solution?

i'm using i phone 5, the battery drops suddenly from 20% to 5% what is the reason ? and what is the solution?

There could be many causes and many solutions. All of them start with creating a backup using iCloud or iTunes on your computer. After that, try some of the steps written about in this blog;
http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain
If none of that helps, you may consider putting the iPhone into DFU mode (Google it) which will reset the firmware that monitors the battery.

Im using iphone4. It suddenly turns off if not plugged in. It will only turn on once its plug in again.As pr tech, if its battery prob, then it would nt turn on completely. What do u think is the prob ?

Im using iphone4. It suddenly turns off if not plugged in. It will only turn on once its plug in again.As per tech, if its battery prob, then it would not turn on completely. What do u think is the prob ?

cutieliz wrote:
What do u think is the prob ?
The battery

N97 mini battery level drops suddenly

I've observed my N97 mini's battery level dropping abruptly from 4 bars to 1 bar (with low battery alarm). The phone's slightly more than a month old and using the latest 11.x.x firmware. Did a bit of googling, and found several suggestions on how to save battery (turn off everything 'smart' on ur phone). That's not the point anyways. I need to find out why the battery level drops suddenly (like what happens when ur battery's dying out), and *not* why the battery lasts X hrs. I'm not sure about this, but I think this mostly happens when the battery level is slightly below max, and I use any app that needs the GPS functionality. But then, there doesn't seem to be any problem with the GPS hardware in the phone, 'coz it usually gets a GPS lock in less than a minute (mostly within seconds). Could it be related to the algo used to show the battery level, or is it that its my battery that's faulty? Any others out there having the same problem?

It's understandable that the batterymeter is not linear (atleast the charge/discharge rates are not). But what bugs me are those sudden erratic drops within minutes (a couple of minutes at times). Anyone who has spent a few days with a dying (rechargeable) battery would know what I'm talking about. It's not a good feeling when u r away from a charge source, and you decide to use one of those power hungry things (like Wifi/GPS) thinking you still have sufficient juice left...and then bam! ... the low battery warning! you just switch off everything, and hope that it lasts till you reach the next oasis. I guess I'd have to analyze this a bit more to understand if its some specific app that causes such behaviour (as mentioned in my original post, i doubt the GPS apps currently). If it happens too often, and even with 'normal' voice+text kind of usage scenarios, its time see Nokia Care I guess. The reason for this post is to know if this behaviour is observed by other N97 mini users as well..then I know there's no point in taking it to Nokia Care.

Macbook pro 2011 battery dropped to 30% after 300 cycles

Hello ,
I have a Macbook pro early 2011 and I have noticed that the battery suddenly is draining too fast , after installing battery health it seems that in 2 weeks the battery dropped from 86% to 30% and there is the service battery sign
Please help !
Charge Information:
Charge Remaining (mAh):    1696
Fully Charged:    Yes
Charging:    No
Full Charge Capacity (mAh):    1696
Health Information:
Cycle Count:    304
Condition:    Service Battery
Battery Installed:    Yes
Amperage (mA):    -133
Voltage (mV):    11953

Cycles mean almost NOTHING, its short term abuse that matters.
1. did you often drain the battery very low?
2. did you often /always have your macbook on charge,......or did you often / always BOTH have your macbook on charge AND in sleep mode?
3. did you often /always play realistic heavy graphics games ON battery on your notebook?
1 or 2 and 3 are harsh on the battery chemistry and therefore its longevity
all batteries are consumables meant to replaced either in their own "due time" or early due to abuse / misuse.
Proper understanding of a battery charge cycle
A charge cycle means using all of the battery’s power, whether that is at once, or over several shorter battery discharges and recharges.
Two examples for clarification:
As a first example, where one fully charged battery is discharged down to 10%, then fully recharged, then using 10% of that full charge, this counts as 1 cycle since the total of both discharges is 100% of a full charge of use.
In the second example, where one fully charged battery is discharged down to 40%, then fully recharged, then using 40% of that full charge, this also counts as 1 cycle since the total of both discharges is 100% of a full charge of use.
While both examples are that of a single charge cycle, the first example is more aggressive against the lithium battery chemistry than is the second example. In short, collective overall gentle shallow or mid-range draining of your lithium battery is a better use condition than is the first example of deep-draining of the battery. While both are quantitatively identical as a single charging cycle, they are wholly different qualitatively on the battery chemistry, which is directly related to its ultimate longevity and health.
In short, it is the near and mid-term life of the battery as relates to its proper care (or lack thereof) that is to be looked after.
Priorities in order of decreasing importance for battery care are:
1. Avoiding deep discharges of the battery.
2. Avoiding having your battery constantly on charge or on charge and in sleep mode.
3. When playing graphics intense games, use your notebook plugged in when possible.
4. Reduction of battery cycles by plugging into power when on the go, or when accessible.
A person who has, for example, 300 charge cycles on their battery and is recharging at say 40% remaining of a 100% charge has a better battery condition state than, say, another person who has 300 charge cycles on their battery and is recharging at say 10-15% remaining on a 100% charge. DoD (depth of discharge) is vitally important on the wear and tear on your Macbook’s battery, much more so than is the counting of charge cycles. There is no set “mile” or wear from a charge cycle in specific. Frequent high depth of discharge rates (draining the battery very low) on a Lithium battery will greatly hasten the lowering of maximum battery capacity.
Understand that a charge cycle is a general parameter of use, but is not directly related to the short-term or mid-term abuse of the battery, which can rapidly hasten a shorter lifespan, regardless of what the actual cycle count on the battery indicates.
Proper considerations for near-term care of the battery is of utmost importance. Abuse of the battery is entirely avoidable, long-term eventual old age deterioration of the battery is entirely unavoidable.
Apple’s adaptive charging system mitigates much potential for accidental battery misuse or abuse; however it is still readily possible to abuse the battery and thereby affect battery health.

Help! Experts!! Iphone4 battery

I am concering about my iphone4 battery with the software 4.0.1 and I ran small experiments to test my battery.. BECAUSE It drains so fast during the day....btw i bought it 2 weeks ago.
Results.
with Airplane mode, 1 percent drop for EVERY 18 minutes only mp3 playing
with normal mode(FULL anthena),only wifi on,no push,location,3g, 1 percent drop for EVERY 10 minutes only playing mp3
According to the apple, Iphone 4 is capable of palying mp3 for 40 hours, which means 40*60 = 2400 minutes, and divide by 100. Then 1% drop of battery for every 24 minuts but mine is just less than half of 24 minuts.
Should I bring the phone to the Genius Bar or is it just normal?
thanks in advance

Do you have the iPhone locked...with the screen off? If the screen is on it can consume a lot of battery power.
What is your battery life with the same setup, except without any music playing. Also, is the MP3 from the iPod application or are you listening to an online music program like Pandora or Pocket Tunes?

IPhone become hot and the battery drop

Hi All,
My iPhone is having problem. My iPhone is 3Gs, 32 GB, OS 4.2
My problem is: the phone suddenly become hot and make the battery drop, and it's already happened for 1,5 weeks. It seems my iPhone is reading something (perhaps some application) but I don't know what.
Can someone help me?

There is some application that is stuck trying to send data. The most common app to have this problem is email, but first try a full reset (if you haven't already: Hold the HOME and SLEEP buttons until an Apple logo appears, ignoring "Slide to power off",
If this doesn't fix it next try the following:
Go into Settings/Mail,Contacts,Calendar. Tap each email account that uses PUSH and turn it off (turn off the ACCOUNT, not PUSH). Close Settings and open the email account; verify that the account does not appear. Then exit Mail to the Home screen and do a reset again.
Once the phone comes back on go into Settings and turn the email accounts back on. Fully charge the phone and test it again.
If you still have a problem you may have to restore the phone. Connect to iTunes and click the Restore button. If you have previously restored or updated and that did not fix it this time set up as a new phone.

Battery Life suddenly reduced

Hi. Beginning a little over a week ago my battery life suddenly reduced by about half. My iPhone is warmer now, even when it's not in use. It wasn't coincident with anything I noticed, e.g. no new iOS release, no change in application use. I've reviewed my Location Services, no unexpected grey GPS symbols (and no purple of course). Does anyone have any ideas as to what might cause this?

Lots of people have lots of ideas:
https://discussions.apple.com/thread/3391947?tstart=0
https://discussions.apple.com/thread/3484755?tstart=0
https://discussions.apple.com/thread/3481668?tstart=0
https://discussions.apple.com/thread/3518760?tstart=0
https://discussions.apple.com/thread/2755090?tstart=0
https://discussions.apple.com/thread/3507356?tstart=30
https://discussions.apple.com/thread/3482083?tstart=60
https://discussions.apple.com/thread/3492588?tstart=60
https://discussions.apple.com/thread/3397244?tstart=90
Then there's the historical issue:
Battery Meter/Life Problems with 4.0.2
4.0.2 guzzling my battery. Your's too?
4.0.1 battery life
Battery runs out very quicky in iOS 4.0.1
Battery nearly nonexistant after 4.0 upgrade
Dead battery after few hours on standby using 4.0 software
3.1.3 battery problem
OS 3.1.3 battery issues
3.1.3 upgrade - shortened battery life?
Battery life cut after 3.1.3 update on iPhone 3G
3.1.3 Firmware is a battery killer - how do I back out this upgrade?
Poor battery life with iPhone 3G running 3.1.2
3.1.2 EXTREME battery drain - what gives?
3.1 Battery nightmare
iPhone 3GS with fw 3.1 – battery life gets even worse
Battery Issues with 3.0.1
BATTERY drain with 3.0
upgrade to 3.0 drains my battery
Battery Drain after Update 2.2.1
Battery Life Radically Decreased after 2.2.1 Firmware Update

Hello! I have my iPhone 5 since two weeks ago. I've neve had a problem. Today it was charged of battery but suddenly it turned off. I've try to turn on but I can't. Anybody knows what ca I do?

Hello! I have my iPhone 5 since two weeks ago. I've neve had a problem. Today it was charged of battery but suddenly it turned off. I've try to turn on but I can't. Anybody knows what ca I do?

Do a reset (Hold Sleep/Wake and Home buttons about 10 secs or more till Apple logo appears, ignore the Slide to Power Off that appears)
Note: You will not lose any data.

Battery life suddenly cut in half

just yesterday, during my first class, i noticed that i only had about 2 hours left on my battery-- this was just about 15 minutes after unplugging my fully charged macbook. the same thing happened today...i don't know what's going on, i used to get around 4 hours with it. i haven't changed any habits-- i dim the screen as much as possible, etc.
i'm calibrating the battery right now...will that work or is something else wrong?

Hi,
Macbook battery life arouse lot of feedback. My experience is after re-calibration the total capcity of battery losts at least 100mAh. But if just connect to internet via airport, still I can manage to use it with over 3hrs. But when I run photoshops or bigger size file, the time shown on menu bar dropped tremendously to 1:50hr somethg from 3:03hr. But this battery seems to last quite good at last few %. My experiences on powerbook G4 1G, with 1.25G DDR ram, when battery drops to 10% or 10 minutes, the Powerbook will go to sleep soon. But for Macbook, when the indicator shows 0:09 hr remained, if using for internet it can still last for more than 15minutes. I also asked Apple HK technician about the battery drop problem, they said this is just rough estimation, sometimes not accurate, and it is normal that battery sometimes can't charged back 100% full unless after recalibration. If ur cases after full charge, check if ur battery is 100% or below 90% uisng coconut, Apple said if under warranty the battery drop below 90% for full charge, u can replace the battery in Apple repair center. This is the case in HK , I am not sure the practise in ur country.
Nobu

My iPhone overheats. Battery drops from 100/90% to 10% sudenly. Got the device 20 days ago. I'm currently living in The Hague, there is no Apple Store in this city, took an appointment in Amsterdam, after 3 hours drive and 60€ travel cost got into the App

My iPhone overheats. Battery drops from 100/90% to 10% sudenly. Got the device 20 days ago. I'm currently living in The Hague, there is no Apple Store in this city, took an appointment in Amsterdam, after 3 hours drive and 60€ travel cost got into the Apple Store, 73 minutes delay on my appointment the Genius tech tells me I should leave my device for further checks in the store and come back in a week or two. Not presicely the answer I was looking for, plus he did not have any device to lend me until my iPhone was checked. Quite dissapointed, Apple was standard for quality on customer satisfaction, in the last 10 years I bought 3 MacBooks, 5 iPdas, 7 iPods, 5 iPhones and 2 iMACs... please don't let me down. [email protected]/[email protected]/[email protected]

Dear Ocean, one is a complaint about the quality of the device.
The second about the quality on response from Customer Service.
No worries, I'll delete both post since it seems that won't bring anything productive.
Good bye Apple!

HT5012 why my battery drop faster n my phone switch off although have 15% after upadate ios 7.1?

why my battery drop faster n my phone switch off although have 15% after upadate ios 7.1?

Battery optimization: http://www.apple.com/batteries/iphone.html
Another article: http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain

How can i fix iphone4s battery issue? Gets drained in just hours...

My iphone4s battery gets drained very quick...mi just bought it 5 days ago...

i faced the same situation but after searching over internet i'v found the solution to fix my battery life.
I hope this wil help you and every one who faces same battery drain issue
solution:
settings>general>date and time>set automatically>turned off. that's it.
set manually your location.
he solves the battery drain issue for me now i am 7hrs standby on 92% battery indicator.
form this video i got the solution
How to dramatically improve Iphone 4S Battery Life
http://www.youtube.com/watch?v=F-Sc091sDbU&feature=related

HT4528 iPhone4s battery dead, Upgrade to iPhone5?

My iphone4s battery is completely dead & wont charge but its still under warranty,
If I go to the apple store will I be able to upgrade to the iPhone5 if I pay the decidable ?
help!

No. You will get a replacement that is exactly the same as yours. You always have the option of purchasing a new phone and selling yours.

Ipod touch has bad battery and suddenly turns off

Ipod touch has bad battery and suddenly turns off but only works when its on a dock with speaker...
any advice on what to do, because i am thining of getting the battery replace

Try:
- iOS: Not responding or does not turn on
- If not successful and you can't fully turn the iPod fully off, let the battery fully drain. After charging for an least an hour try the above again.
- If still not successful that indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.

Iphone4s Battery % drops suddenly.

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