HT1476 Battery runs down fast, what's up?

Starting yesterday, the charge on my year old iPhone 5, only lasts about 12 hours. Most of this time is standby.
I've never seen it run down this fast!
I went through my apps to make sure nothing is running in the background, I'm stumped.

Hello there, Machinist03.
Great job in troubleshooting your issue by reviewing background applications and multitasking. This link also reviews some other things you can look over for optimizing battery life:
Apple - Batteries - iPhone
http://www.apple.com/batteries/iphone.html
Optimize Your Settings
Depending on how they are set, a few features may decrease your iPhone battery life. The tips below apply to an iPhone running iOS 7.0 or later.
Enable Wi-Fi: Having Wi-Fi enabled helps consume less power when doing activities that access data. Go to Settings > Wi-Fi and log in to a Wi-Fi network.
Adjust brightness: Dim the screen or turn on Auto-Brightness to extend battery life. Turning on Auto-Brightness allows the screen to adjust based on lighting conditions. To enable Auto-Brightness go to Settings > Brightness & Wallpaper and set Auto-Brightness to On. Adjust your brightness when indoors in a non-bright environment. You can do this by going to Settings > Brightness & Wallpaper and dragging the slider to the left to dim. After making this change, turn Auto-Brightness off and then on again to reset to the default behavior.
Fetch new data less frequently: The more frequently email or other data is fetched, the quicker your battery may drain. To fetch data manually: Go to Settings > Mail, Contacts, Calendars > Fetch New Data and tap Manually. To increase the fetch interval, go to Settings > Mail, Contacts, Calendars > Fetch New Data and tap Hourly. Note: This global setting applies to all applications that do not support push services. If you receive a lot of email, you can turn off push email to save your battery. Go to Settings > Mail, Contacts, Calendars > Fetch New Data. Set Push to Off. Messages sent to your push email accounts will now be received on your phone based on the global Fetch setting rather than as they arrive.
Turn off push notifications: Apps with Push Notification alert you of new data, which may impact battery life. To disable, go to Settings > Notifications, choose the app you want to disable, and do the following:
Change Alert Style to None.
Turn Badge App Icon off.
Turn Sounds off.
Note: New data will be received when you open the app.
Minimize use of location services: Apps that actively use location services, such as Maps, may reduce battery life. You can see which applications have recently used location services by going to Settings > Privacy > Location Services. Apps that have recently used your location will have an indicator next to the app’s on/off switch. If you see an app that you do not expect to be using location services, you can disable it by toggling the switch to Off. To disable location services completely, go to Settings > Privacy > Location Services.
Use Airplane Mode in low- or no-coverage areas: Your iPhone always tries to maintain a connection with the cellular network, which may use more power in low- or no-coverage areas. Turn on Airplane Mode to increase battery life in these situations. Go to Settings and set Airplane Mode to On. Note that you will be unable to make or receive calls with Airplane Mode on.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

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1. Check the cycle count of the battery against the rated life for your model. The battery may be due for replacement. If the power adapter is connected almost all the time, the battery may need replacing even though the cycle count is not too high.
2. Follow these instructions, or these for OS X 10.8 or earlier.
3. In the Energy Saver preference pane, uncheck the box marked
Enable Power Nap while on battery power
if it's shown (it may not be.)
4. You can also try resetting the SMC.
5. Make sure your system is up to date in Software Update.
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After updating iPhone 4g to ios7 battery runs down fast

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HT4993 Why does my battery run down fast?

I just got my iPhone Saturday (it's a 5) and I notice my battery runs down quite quickly! I also just added hot spot, but cannot locate it on my phone to enable/disable it.

Hotspot can be disabled at Settings > General > Cellular > Set Up Personal Hotspot
Here are some battery tips:
http://www.apple.com/batteries/iphone.html

Why is my ipad 4 battery running down so fast?

I've had my 4th generation iPad for a couple of weeks now and have noticed the battery runs down so fast. I've been to Apple twice and have done everything they've suggested and have tried everything I could come up with to no avail. Granted....I upgraded from a first generation and realize that with the retina screen it would be less but come on...just from normal Internet searching it loses so much. I'm afraid to see the loss with the movies and games I usually watch and play. Any thoughts?

The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
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Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
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https://discussions.apple.com/thread/3921324?tstart=30
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http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
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https://discussions.apple.com/thread/4480944?tstart=0
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http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
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http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
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Strange battery run down

Hello all,
I have strange problem. When I put down my phone at nights battery run down mostly 1-3 per cent per night, but sometimes it took 25% or more. What is it?
Some program jammed or what?
And one more question: is it normal that when I turn off alarm clock then it "eat" more battery?
Sorry for my English, I hope you understand my questions.
ibron
iPhone4
OS4.1

You may had an app that was running in the background while you went to bed.
Double click on the home button to bring the fast app switch bar, check to see if you have any apps in there (just because it's in there doesn't necessarily mean that it is running), hold the app for 3 seconds on until it jiggles, then hit the "-" button to remove it from the fast app bar. This should close the app entirely.
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                 Article HT3910
                 located at: http://support.apple.com/kb/HT3910
Everything was going smoothly until I got to the reinstall part. I had to choose to reinstall on a hard drive or network drive. I've never used a network drive; just the hard drive. It seems that's where the troubles began. I selected the hard drive. It seemed to go well, and then I got the message that I needed to delete some files because I was out of space. I chose to get rid of my music files, but, there were only 636. I don't know what the rest of the files were. I was using the Secure Empty Trash command.
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Let's explore options to optimize your phone's battery performance Jaywebb! Please refer to this link http://support.apple.com/kb/HT1476 and check the Resolving Issues section towards the bottom of the page.
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How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
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I have never heard of the 20% threshold before.
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HT1476 Battery runs down fast, what's up?

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