Currently Being ModeratedApr 15, 2012 11:50 PM (in response to Syzygy@home)
Try a different USB port and a different USB cable.
Currently Being ModeratedApr 16, 2012 12:02 AM (in response to Carolyn Samit)
Thanks. I found out through another discussion Q&A that USB ports in general do not supply enough power to charge an iPad, which has greater power needs than an iPhone or iPod. Link to that discussion is here:
There is also an Apple support doc here:
So there you have it!
Currently Being ModeratedApr 16, 2012 2:28 PM (in response to Syzygy@home)
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
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
New iPad Takes Much Longer to Charge Than iPad 2
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
Currently Being ModeratedApr 17, 2012 1:23 AM (in response to Syzygy@home)
Tom -- Thanks for a comprehensive answer! I really appreciate you taking the time to help me. Paul
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