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

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I've been having my iPhone 4 for about a year and a half now and never had any issues with the battery life. But yesterday, the battery life suddenly decreased exponentially. I typically do a "hard reset" on my phone every few days because it tends to get slow or buggy after a while.
So yesterday after a hard reset, my battery went from 100% to just over 80% in about 15 minutes of music playback on the iPod/Music app — no streaming from the Web and no other apps open. The battery percentage continued tanking throughout the day even though I was only occasionally sending texts and never really using any data. I pulled it from my pocket to check the time and noticed it was dead, only about four hours after I'd completely charged it to 100%.
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I've encountered the exact same. I now keep the phone plugged/tethered to the computer all day to conserve battery live. My usage is the same but I'm wondering if the notifications are to blame for the shortened life. Withoout plugging the phone in the battery may not make the entire day.

Battery life suddenly bad while idle at 80%

Hey guys,
I have a macbook pro that I got about a month or two ago and the battery life has been great until about two days ago, I used to see a full charge carry for 5-6 hours now it's 2 hours if i'm lucky, as far as I know the only thing that has changed is installing apple updates which I doubt would cause my battery life to tank suddenly. My running conditions haven't changed, i've usually got the backlight low with dim keyboard light, wi-fi on and not running anything intensive as you can see below, just a code editor and some communication programs.
here's sample output from running top in a terminal
Processes: 87 total, 5 running, 82 sleeping, 472 threads                                                                                                                                                                            12:20:54
Load Avg: 1.24, 1.21, 1.13 CPU usage: 7.79% user, 5.19% sys, 87.1% idle SharedLibs: 7652K resident, 8160K data, 0B linkedit. MemRegions: 13809 total, 1109M resident, 32M private, 364M shared.
PhysMem: 894M wired, 1318M active, 243M inactive, 2455M used, 1635M free. VM: 193G vsize, 1040M framework vsize, 191238(0) pageins, 0(0) pageouts. Networks: packets: 35325/18M in, 32604/6758K out.
Disks: 80275/1782M read, 22422/744M written.
Here are the specs on the laptop
Hardware Overview:
Model Name:          MacBook Pro
Model Identifier:          MacBookPro8,2
Processor Name:          Intel Core i7
Processor Speed:          2 GHz
Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          6 MB
Memory:          4 GB
Boot ROM Version:          MBP81.0047.B04
SMC Version (system):          1.69f1
Serial Number (system):          C0***V
Hardware UUID:          0DCE12E1-6114-53C0-B618-CB75D451C706
Sudden Motion Sensor:
State:          Enabled
Does anyone have any insight or tools I can use to diagnose this further?
Thanks!

I tried that last night to no avail, but I found the answer. The dock had been running at 100% after the upgrade (don't know why it didn't show up in top, but showed up in activity monitor) so I followed this thread ( https://discussions.apple.com/thread/3138432?start=0&tstart=0 ) and now I'm back to expected battery life

Battery life is reduced

Hi Everyone, I am new to the forum and I hope you can help. I have a Curve 8900 which I have had for around 18 months with good battery life. About 8 weeks ago it started to fade quickly and not last long at all. I thought the battery had run its course so purchased a new genuine battery, fully charged and discharged at least 10 times and is no better than the one it replaced. It even runs flat from full when switched off for a couple of days.
My network provider is orange although it was BT but the problem started before this.
I also get email on the phone.
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Discharging the battery continuously is not recommended for these Lithium Ion type batteries.
Here are some good charging tips, please read and you'll see that many of them will apply to you.
http://www.blackberryfaq.com/index.php/Maximum_Battery_Life
And here: http://supportforums.blackberry.com/t5/BlackBerry-Community-Post/Power-Saving-Tips-for-your-BlackBer...
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!
3. Install free BlackBerry Protect today for backups of contacts and data.
4. Guide to Unlocking your BlackBerry & Unlock Codes
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BlackBerry Support Forums Channel
PIN: C0001B7B4 Display/Scan Bar Code
Knowledge Base Updates
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Battery life suddenly decreased and consistently getting the "clock" symbol for up to 10 or more minutes at a time !

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p.s. I have looked to see if any apps are running in the background and found nothing out of the ordinary.

Hi CollinGCC78,
It sounds like you have been on the right track in troubleshooting this issue. If you are still having issues, you may want to double-check the steps outlined in the following article, in order if possible (apologies for replicating any steps you have already taken):
iOS: Troubleshooting Wi-Fi networks and connections
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Battery life suddenly cut in half

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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

Lumia 920 battery life suddenly changed

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Lee

Hi
I had similar issue I went to Microsoft store,they didn't understand the problem.
they said background tasks, WiFi,location service etc. Everything was offline.
The issue started after December patch update.
The system keeps dropping signal very often and it tries to reconnect to 4G and LTE making battery drain, This is as per the Tech at Microsoft store...
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Also when i tried logging in from Lumia 920 to post this message, the popup login on the sign in doesnt work. Also when you post the scrolling doesnt work really well like on the desktop. Not sure if its the site issue or IE10 issue
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Has the battery had it? if so why?
PLEASE HELP LOL
Regards
Andy

I have a similar symptom to the original post, and have tried the reboot suggestions, but they didn't work. I have had the phone for a month or so, replacing a 2G, and initially battery life was about the same. The battery will not last even for a day. When I went to bed last night, the phone had 70% charge and it was completely dead by the morning today.
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Battery life suddenly terrible, apple care expired in September but still 10 months on my contract?

Hi there,
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Please let me know if there is anything. I know that the laws in Quebec are different because we have legal warranty here which means that even without Apple Care I should be able to get help for this.
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Since I am from the US, I cannot comment on Canadian laws. If you have an issue with Canadian law and Apple, then I suggest you address that with the Apple store. What I was saying was if you let someone other than Apple open the device, then it voids warranty and post-warranty support. If Apple made the replacement, then discuss it with them.
Your statement to the other poster about phone support; unless you purchase Apple Care Plus, complementary phone support for the iPhone is only 90 days, whereas the warranty is 1 year. Apple Care Plus extends both to 2 years. Those are the Apple standards, but could differ in your country. To understand that, you would need to look up the warranty info for your country. You can find that at http://www.apple.com/legal/

Increasing battery life by reducing processor speed.

Is it possible for me to limit the amount of power that goes into the processor? i have tried using speedit and coreduotemp but i can't get them to work.
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Running Windows will completely disable any processor control and there are no fan control programs that operate in Windows and work with a Mac. That wouldn't be a feasible solution.
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IPhone 4 Battery life suddenly dropped by half

Hi Everyone,
I have a 3 month old iPhone 4 running IOS 4.2.1 since it became available. The battery had been performing fine till 2 days ago. Now I start out with it fully charged in the morning and the battery had died at 2pm in the afternoon when all I've done is make a few minutes of phone calls and sent a few texts. Anyone have any ideas on what i can do about it?

Hi zzzaaazzz,
The same thing happened to my 4-months-old iPhone 4 running the same iOS version as yours. The fast battery drain was only one of the symptoms in my case. I also noticed that the responsiveness of the phone became slower and slower. I turned off the location service, push notification, even Wi-Fi and the battery still drained and the UI still very slow. I noticed that the phone was trying to connect on the network (the circular rotating icon next to the AT&T bar at the top left corner) almost constantly (with a few seconds break here and there). I took the phone to a local Apple Store's Genius Bar and they diagnosed that the network connector service on the phone is crashing, restarting, and crashing. The best way to resolve is to restore as a new phone, and not to restore with the old data. In deed they were right. I tried restoring as a new phone and then restored my old data which restored the same problem as well. So, it took me some time but I restored the phone as new then manually re-loaded all apps, music, video, and configured mail accounts, etc. The problem has gone away after this. I still don't know which app caused it, but all apps are working now. Hope this helps.

Improving the 2013 Macbook Air i7 battery life

Hi
I've checked couple of topics related to this issue seems many people suffer from this problem, i7 8gb ram with 512gb ssd Macbook air has some issues with its battery life it reduced very quickly. I've applied some techniques -like smc reset,deleting launch daemons and agents- and have an improvement in battery performance. Now the point is, when i do the EtreCheck there are many kernel extensions displayed in the report. Is there any way to delete them and slightly improve the battery life?
Here is the output:
Hardware Information:
          MacBook Air (13-inch, Mid 2013)
          MacBook Air - model: MacBookAir6,2
          1 1.7 GHz Intel Core i7 CPU: 2 cores
          8 GB RAM
Video Information:
          Intel HD Graphics 5000 - VRAM: (null)
System Software:
          OS X 10.9.3 (13D65) - Uptime: 0 days 13:15:5
Disk Information:
          APPLE SSD SM0512F disk0 : (500,28 GB)
                    EFI (disk0s1) <not mounted>: 209,7 MB
                    Macintosh HD (disk0s2) / [Startup]: 499,42 GB (372,12 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
          Apple Internal Memory Card Reader
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Gatekeeper:
          Mac App Store and identified developers
Kernel Extensions:
          [not loaded] com.NovatelWireless.driver.NovatelWirelessUSBCDCECMControl (3.0.13) Support
          [not loaded] com.NovatelWireless.driver.NovatelWirelessUSBCDCECMData (3.0.13) Support
          [not loaded] com.ZTE.driver.ZTEUSBCDCACMData (1.3.35) Support
          [not loaded] com.ZTE.driver.ZTEUSBMassStorageFilter (1.3.35) Support
          [not loaded] com.nike.sportwatch (1.0.0) Support
          [not loaded] com.novamedia.driver.IceraUSB_MSD_Bypass (1.3.0) Support
          [not loaded] com.novatelwireless.driver.3G (3.0.13) Support
          [not loaded] com.novatelwireless.driver.3GData (3.0.13) Support
          [not loaded] com.novatelwireless.driver.DisableAutoInstall (3.0.13) Support
          [not loaded] com.option.driver.Option72 (2.15.0) Support
          [not loaded] com.option.driver.OptionHS (3.26.0) Support
          [not loaded] com.option.driver.OptionMSD (1.21.0) Support
          [not loaded] com.option.driver.OptionQC (1.11.0) Support
          [kext loaded] com.rim.driver.BlackBerryUSBDriverInt (0.0.67) Support
          [not loaded] com.rim.driver.BlackBerryUSBDriverVSP (0.0.67) Support
          [not loaded] com.vodafone.driver (3.0.9) Support
          [not loaded] com.vodafone.driver.Data (3.0.9) Support
          [not loaded] com.zte.driver.cdc_ecm_qmi (1.0.26) Support
          [not loaded] com.zte.driver.cdc_usb_bus (1.0.26) Support
          [not loaded] de.novamedia.driver.NMSamsung (0.0.2) Support
          [not loaded] de.novamedia.driver.NMSmartplugSCSIDevice (1.0.1) Support
          [not loaded] de.novamedia.driver.NMUSBCDCACMControl (3.2.12) Support
          [not loaded] de.novamedia.driver.NMUSBCDCACMData (3.2.12) Support
          [not loaded] de.novamedia.oem.vodafone.vtp.huawei.cdc (0.0.2) Support
Problem System Launch Daemons:
          [running] de.novamedia.nmnetmgrd.plist Support
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist Support
          [loaded] com.microsoft.office.licensing.helper.plist Support
Launch Agents:
          [not loaded] com.adobe.AAM.Updater-1.0.plist Support
          [loaded] com.google.keystone.agent.plist Support
User Launch Agents:
          [loaded] com.valvesoftware.steamclean.plist Support
User Login Items:
          None
Internet Plug-ins:
          FlashPlayer-10.6: Version: 13.0.0.214 - SDK 10.6 Support
          QuickTime Plugin: Version: 7.7.3
          Flash Player: Version: 13.0.0.214 - SDK 10.6 Support
          Default Browser: Version: 537 - SDK 10.9
          o1dbrowserplugin: Version: 5.4.1.18709 Support
          SharePointBrowserPlugin: Version: 14.4.1 - SDK 10.6 Support
          googletalkbrowserplugin: Version: 5.4.1.18709 Support
          JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
Safari Extensions:
          Open in Internet Explorer: Version: 1.0
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 2.0 - SDK 10.9
          AppleAVBAudio: Version: 203.2 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
User Internet Plug-ins:
          OctoshapeWeb: Version: 1.0 - SDK 10.8 Support
3rd Party Preference Panes:
          Flash Player Support
          MusicManager Support
          Xmarks for Safari Support
Time Machine:
          Skip System Files: NO
          Auto backup: YES
          Volumes being backed up:
          Destinations:
                    My Passport Air [Local] (Last used)
                    Total size: 465.41 GB
                    Total number of backups: 1
                    Oldest backup: 2014-02-20 22:28:07 +0000
                    Last backup: 2014-02-20 22:28:07 +0000
                    Size of backup disk: Excellent
                              Backup size 465.41 GB > (Disk size 0 B X 3)
          Time Machine details may not be accurate.
          All volumes being backed up may not be listed.
Top Processes by CPU:
               3%          WindowServer
               1%          hidd
               1%          mds_stores
               0%          fontd
               0%          warmd
Top Processes by Memory:
          82 MB          Google Chrome
          52 MB          Google Chrome Helper
          49 MB          mds_stores
          41 MB          Calendar
          33 MB          WindowServer
Virtual Memory Information:
          6.03 GB          Free RAM
          998 MB          Active RAM
          97 MB          Inactive RAM
          633 MB          Wired RAM
          522 MB          Page-ins
          0 B          Page-outs
Is there any other suggestions that you may offer ? Many thanks

You can use the new Activity Monitor to determine a unitless "Energy Impact" value:
You can also click the battery icon in your Mac's menu to reveal significant energy hogs (UPS is shown below):
Whereas Apple recently updated their apps to take advantage of Mavericks' energy saving algorithms, few other vendors have. I surmise the prominent "Energy Impact" hall of shame addition to the new Activity Monitor is Apple's subtle way of nudging them into compliance.
Google's plethora of invasive OS X system modifications is a popular reason for excessive battery drain. Google has yet to demonstrate the ability to develop efficient OS X apps, and one can only surmise they are not interested in doing so. If you elect to use Google Chrome or any other poorly implemented OS X programs, you must accept the detrimental effect they will have on performance and battery life.
If you no longer use a Blackberry, uninstall RIM's software. Be sure to follow its uninstallation instructions.

Problems with ipod battery life AND new software

First of all, I'm not 100% sure if my ipod is fifth generation... it's a 30 GB and I've had it since December 2006. This just seemed to be the only category it fit into.
But here we go: I have two major problems with my ipod that have arisen in only a period of a couple days.
First of all, my battery life suddenly got REALLY REALLY bad. I know there are already a bunch of threads with people complaining about their battery life, but mine is much worse. The battery life did progressively get a little worse over the past few weeks, but it was nothing major. But I turned my ipod on the other day, RIGHT after fully charging it, mind you, and within 2-3 minutes the battery was halfway discharged and in about 5 minutes it was almost dead.
And a couple of times, I had my ipod plugged into my iBook to charge, and the iBook went into sleep mode because I left it alone for a while. But after a couple hours I came back and the battery level was LOWER than when I plugged it in!!!! What's going on with this thing?
And then to make matters worse, I finally broke down and downloaded the new ipod software the other day (sorry I can't remember the version, but it's the most recent). Everything seemed OK until I turned on my ipod the next day. With the old software, when I would select "Music>" and then "Artists>" it would go to the list of artists like it's SUPPOSED to.
But now, when I select "Artists>" it then goes to a list entitled "Artists" and my ONLY option is "All>". If I click "All>" then it takes me to a second list called "All Albums" and my only option again is "All>". When I click it again, it takes me to a list called "All Songs" with NOTHING in it. At first, I was afraid the update had deleted all the music off my ipod, but I plugged it back into my computer and according to iTunes, everything was still there as if nothing had happened.
Is there anything I can do to remedy either of these problems? I am so frustrated with this thing, considering both of these things happened rather suddenly and the fact that my ipod is not even a year old and it's not like I've been abusing it or anything.
Message was edited by: tyty415

I've had both exact problems (listed below) within days of each other just like you. This is extremely effing frustrating and it appears Apple isn't doing sh|t about it.
Problem 1: Battery constantly discharges even when ipod is turned off.
Problem 2: After upgrading firmware to 1.2.2, all my content (songs, podcasts, everything) was gone.
I'm glad to say I was able to fix problem 2 after reading about reverting back to version 1.2.1. There are instructions in this forum on how to do it. If you are like me, you'll have to download the 1.2.1 files from Apple's website because they were no longer on my computer.
This dieing/dead battery problem is a major effing pain in the a$$. Like you say, the effing thing is dead after minutes. The only way it can be used for any length of time is to leave it plugged in to a charger.
No one seems to have a solution which is even more upsetting than the problem. Hey Apple, I want my money back!
DM

Location services and battery life

I see this from the Apple site regarding reducing power consumption:
"Minimize use of location services: Applications that actively use location services such as Maps may reduce battery life. To disable location services, go to Settings > General > Location Services or use location services only when needed."
http://www.apple.com/batteries/iphone.html
I can read this advice two ways:
1. Turn off Location Services in the Settings when not using Location Services. As long as Location Services is turned on in Settings, you are using more of the battery.
or
2. I can leave Location Services on in the Settings without reducing battery life. It is only when I use an application that uses Location Services that battery life is reduced.
Which is it?

Either one. When you see the white/purple arrow on the top, an application you are using has enabled Location Services for itself. While the app is running in either the foreground or background, LS continues to run until the app is either closed or has been force closed through the multitask bar.
LS only uses battery life when it either picks the GPS or the cellular towers to continuously ping your location. But the LS doesn't use as much power as believed. It's actually a combination of things such as GPS and Internet and Music or GPS, Internet and Camera.
Most people keep the LS running as it does little harm to battery life. Some turn it off or turn off certain apps to protect their privacy as they are broadcasting on a social network their approximate location such as LOOPT to friends that you are in a restaurant.

HT4275 how to increase battery life

My battery life suddenly decreased substantially. Just in the last couple of days

I've seen the same phenomenon as well. The trackpad batteries sometimes last a month or more and then suddenly they only last 3 days. I haven't pinned down what's causing the devices not to go into low power mode yet, but certainly a software bug. Until then I use rechargeables and always have some ready.
Captfred

Battery Life suddenly reduced

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