What is the normal % per minute charge rate of the iPad (3rd generation)?

Recently I've been experiencing some issues with the battery on my iPad. Even when plugged in to the charger, the battery goes down if I'm doing something processor intensive, and only charges at a rate of less than 1% per minute while in sleep mode. Has anyone else experienced this problem? Should I take it into the apple store?


I first noticed it this morning when I left it on the charger all night and it was only at ~38% charge.

iPad (3rd generation) Wi-Fi, iOS 5.1

Posted on Apr 17, 2012 11:56 AM

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5 replies

Apr 17, 2012 12:49 PM in response to DubbleChrisP

My iPad 2 took 4 hrs. to charge from 0 to 100%. Plugged into the wall with provided charger my New iPad 3 takes 6 hours to charge from 0 to 100%....... However it's been reported the New iPad continues to charge further after it has reached 100%, so I leave it plugged in approximately 1 more hour until the wall charger feels cool to the touch. It appears to be true because when I start to use it, it stays at 100% for awhile. Also, while my New iPad is charging I can use it and it will continue to add charge, although more slowly.

Apr 17, 2012 1:12 PM in response to DubbleChrisP

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/

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


Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips

http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad


 Cheers, Tom 😉

Apr 17, 2012 9:29 PM in response to Texas Mac Man

Very helpful info there.


Now I know to use my 10W charger instead of my iPhone 5W charger (should've been a no-brainer).


I'm still worried about how my battery still goes down even when on the charger. For example, it was at 16% earlier today, so I put it on the charger and started playing a game for about 15 minutes. When I was done, the battery was at 14%, and it had never been removed from the charger. Shouldn't be drawing all power from the wall outlet when plugged in, not the battery?

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What is the normal % per minute charge rate of the iPad (3rd generation)?

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