IPad 3 slow charging with 10W charger?

Got my new iPad yeserday. Compared with my iPad 1 the charging via the 10W charger is really slow. Went to bed with power at 20%, and over 6 hours it only reached 85% charge. Normal? Others seeing the same thing? I suppose the battery capacity increase would be expected to require a longer charge...but really this slow?

Dear David,
Was your iPad sleeping while it was on the charger or was it active?
I ran some power tests yesterday. It's important to remember that not only does the new iPad have a battery that is 70% or so larger, it draws substantially more power when running (the reason for the new battery).
Testing with two different Apple AC chargers that I have, it looks like the total charge time for a sleeping iPad should be in the 5-6 hour range (that's going from approximately 0 to 100%). But… trying to charge a wakeful iPad takes more than twice as long as that. Most of the wattage being put out by the charger is going to run the iPad, not to recharging the battery.
You'll see similar effects if you're using the new iPad plugged into a USB port. My iPad2 would hold just about steady plugged into a standard powered USB hub, it would drop maybe 1-2% an hour. The new iPad drops more than 5% an hour. 5 W just isn't enough to sustain it.
Note that these results for wakeful iPads are going to depend very much on the brightness setting for the screen and the processor load. There's no way I'm going to tear my iPad apart and run proper tests on it, but it wouldn't surprise me if at the extremes power consumption ranges from under 5 W to over 10 W.
Not being willing to dig into my precious toy, I have no idea if the internal circuitry can stand much more than 10 W of charging power. If it can, I wouldn't be surprised to see a “fast” 15-20 W charger become available. There are some users who will be vexed by the substantially longer charging time. With the older iPads, you could pop it on the charger over breakfast or lunch and get enough juice to run for the next half day or over dinner to carry you through the evening. That's not going to be the case with the new iPad.
Absent such a “fix” we're just going to have to make some mental adjustments and consider this the price we're paying for a whole slew of major improvements.
pax \ Ctein
[ Please excuse any word-salad. MacSpeech in training! ]
======================================
PS: note to hosts––sorry about the URLs in my sigs in my previous posts. It's just embedded in the macro boilerplate and I don't notice it. I'll try to remember to edit them out by hand. Sorry for putting you guys to the inconvenience.

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http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
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http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
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http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
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http://support.apple.com/kb/HT4327
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IPad so slow to charge

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Could be the charger, cable or iPad. Plug the USB cable into your computer. It may say "Not Charging", however, it is charging slowly and will verify that the cable is good.
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W (5W on Mini) 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 (2.5W, 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
iPhone: Hardware troubleshooting (Power/Battery section also applies to iPad)
http://support.apple.com/kb/TS2802
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
iOS 7 Battery Life Draining Too Fast? It’s Easy to Fix
http://osxdaily.com/2013/09/19/ios-7-battery-life-fix/
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
iPad: Charging the battery
http://support.apple.com/kb/HT4060
Best Practices for iPad Battery Charging
http://www.ilounge.com/index.php/articles/comments/best-practices-for-ipad-batte ry-charging/
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
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
To Extend a Device’s Battery Life, Get to Know It Better
http://tinyurl.com/b67c7xz
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
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

TS1363 iPad 2 not charging, not syncing, stuck at end of updating to iOS 6.1.2 with itunes logo and usb promt.

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IOS7 slow charging on iPad

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The router is a seimens gigaset 762sx.
Unfortunately, being from south Africa, with our ludacris Internet costs, open public networks are not come by often and neibours wifi is locked down tight.
I'm on iOS 4.3.
Ok, the 20% figure is a bit misleading. I'm looking to upgrade to the best router that I can which is more than 25% of what I paid for the iPad . there are cheaper options available though.
And lastly, upgrading the router firmware is not an option, the firmware has been branded by the ISP and made to only be updatable to a new version they release... Which they will never do.

Ipad will only charge with one charger, not recognize by pc or itunes

I have an Ipad 1. I bought a third party car charger to charge the ipad. I charged it with this charger one time. The next time I tried to charge the ipad with the original 10W wall outlet charger, it would not charge. I bought another apple ipad charger, thinking my original charger had quit working, it still would not charge. I plugged it back into the car charger and discovered that it will only charge on that particular charger. Now itunes nor my windows pc will recognize the ipad. I uninstalled itunes and installed the newest version. I also hard reset the ipad and now I have a worthless ipad that will not connect to itunes. Any suggestions?

It's possible that charger damaged some part of the connection on the iPad. There's little metal contacts on that small silicon chip sticking out of the port and if something happens to one of those little contacts it can effect how it works.
You can try taking it into an apple store and have them look at it. If you'd only used 'official' stuff there'd probably be no question but once they know that the damage, potential damage, was caused by a third party device, then it may be up to the discretion of the manager what they do with it. Whether they replace it under warranty or decide that the warranty is void (I honestly don't know how strict they can be with the use of third party devices and how they may/may not work)

Problems with iPad 3rd gen charging in car

I have a 2xUSB 2.1amp car/cigarette charger. My 1st gen iPad mini charges perfectly using it, but my 3rd gen iPad will only trickle charge.
Is this simply due to the 3rd gen iPad battery being power hungry? Would getting a 12w car charger work? (I'm unsure what wattage my current charger is)
The iPad charges fine with regular wall plug chargers. It is running iOS 8.1.2
Any background / advice would be very gratefully received. I've read that doing a factory reset may resolve the issue - is that true?
I'm loathe to go and spend more money on car chargers if the issue is with the iPad battery itself.
Thank you.

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%.
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/
 Cheers, Tom

Does the iPad mini have the same slow charging issues as my "New IPad"?

I'm considering returning my New IPad and purchasing the iPad mini due to the slow charging issues with my New IPad. Does anyone know if the mini has the same issue? Does anyone know if Apple is planning on offering a different charger for the New IPad? I love everything about the New IPad except the charging system. I can't use it as much as I would like to. It's so disappointing!!!!

I also have issues when charging my brand new iPad mini. I got astonished when I tried to charge it yersterday and realized it took more more time to charge than my iPod Touch 4th generation, which really charges very fast! It even did'nt charge completely so when I got home I put mi iPad mini to charge overnight, at about 12.30 AM, when it had about 13% charge left.
This morning I got shocked when I saw at 6 Am that it hadn't charged completely. Just 96%, which means the iPad mini can't be totally charged during a 6 hours charging session. So after reading all these posts I get disappointed with this huge issue for iPad users. How can we endure such a long charging sessions for a device that you normally use all the time. For instance, when you're traveling you always need to charge the iPad very quickly. Just a few travelers would allow their ipads to rule their schedules on such a bizarre way!
I was also worried because I don't live in the States. It was my brother who bought it for me, so taking my device to the Apple Glass Cube in New York or any other retailer or just to have this issue technically solved is a big problem for me! So international customers who think to buy this wonderful mini tablet should consider that such a marvelous device is dealing with an absurd and disappointing big problem related to an aspect customers would hardly imagine.

Charging iPad 3---Slow Going

I have noticed that my iPad 3 takes longer to charge than the 2, (I know, New iPad). Is there a more powerful charger that would enhance the time necessary to charge?

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%.
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery 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, so using the 10W charger will obviously take longer.
 Cheers, Tom

IPad 3 slow charging with 10W charger?

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