Battery powers down with use while charging

Battery takes hours to charge but powers down if pluggwed in

The quickest way (and really the only way) to charge your iPad is with the included 10W 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
Also, if you have a 3rd generation iPad, look at
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
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

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Battery running down fast using Yosemite, running the latest update 10.10.2. I think there is bug in this update. Please help me out or is there a way can i switch back to mavericks and how

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My macbook 15 inch wont turn on, it makes the hard drive sound and then a few seconds later it sounds like its powering down with like a clicking noise

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Try Resetting your Mac's PRAM and NVRAM
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Please find "System Information" in this folder path---Applications > Utilities---and launch it. When it opens, find "Power" in the left-hand contents pane and click it to get something like this in teh main pane:
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Gee, why didn't I think of that? For those that may be keeping track this is a dlink Dir-655 (ON LATEST FIRMWARE).
I had no problems with my iPhone 5. I have no problems with my iPhone 6 EXCEPT when I let the phone attempt a full iCloud backup. I don't know what encryption or protocol this fires up but whatever it is it crashes the router. I am hoping others with router crashing can benefit. The seemingly random crashing some have may be when the phone attempts a backup.
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http://www.antec.com/specs/sl350_spe.html
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Wow, thanks for all the quick responses.
Dr Stu, No ,100MHz made no difference and my K7TPro2(not A) would not support it. I have nowhere else to test it so I RMA'd it.
osnavi, as others pointed out its actually a decent power supply. I've seen plently of reports of people running this class and faster CPU on my Power supply, especially considering I stripped the board when I was trying it out. It is of course possible that my Antec has bad CAPS or is dying, but nothing else points to that.
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http://www.apple.com/batteries/iphone.html
Just posted on this.
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Use while charging

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About Batteries in Modern Apple Laptops
Apple - Batteries - Notebooks
Extending the Life of Your Laptop Battery
Apple - Batteries
MacBook and MacBook Pro- Mac reduces processor speed when battery is removed while operating from an A-C adaptor
Battery University
Apple - Batteries - iPod
Apple - Batteries - iPhone
Apple - Batteries - iPad
Apple Portables- Calibrating your computer's battery for best performance
Mac notebooks- Determining battery cycle count
How to Calibrate Your Mac, iPhone, or iPad Battery | MacBlend

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When did you last properly calibrate your battery?
http://support.apple.com/kb/HT1490
Calibration should be done approximately every two months. Failure to do so for a long period of time can result in the microchip "fuel gauge" in the battery losing the ability to accurately determine the remaining charge, and it will report that there is more charge in the battery than is actually present. As a result, the computer will not initiate Safe Sleep at the proper time, and instead undergo a hard shut down, one of the main causes of hard drive directory damage. Once the battery is in the state resulting from a failure to calibrate, it is not possible to calibrate the battery, and it will need to be replaced. Note that Apple specifies, +"A properly maintained Apple notebook battery is designed to retain up to 80% of its original capacity at 300 full charge and discharge cycles."+ Calibration is considered part of proper maintenance

Battery powers down with use while charging

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