Q: Why does my ipad air dosent charges after 12 minutes of use

Hi Steven720,

Thanks for visiting Apple Support Communities.

If you see a "Not Charging" message on your iPad, try these steps first:

Some USB 2.0 ports and accessories do not provide enough power to charge iPad. When this occurs the message "Not Charging" appears in the status bar next to the battery icon.

To charge your iPad battery, try one of these:

• Connect iPad to a power outlet using the included cable and USB power adapter (use the table below to determine which adapter is intended for your iPad.)
  
  
• Connect to a high-power USB 2.0 port using the included cable.

You can find this information here:

iPad: Charging the battery

http://support.apple.com/kb/ht4060

All the best,

Jeremy

Hi Steven720,

Thank you for using the Apple Support Community.

Due to the nature of your issue or question you may find more information by using another one of Apple's support resources - https://getsupport.apple.com/GetproductgroupList.action.

Best,

Jeremy