Charging an iPad while using a power-consuming dock accessory Posted by BenDTU on November 3, 2011 08:43 pm 1 Is there something like a 30-pin double adaptor for charging the ipad while it's being used by a power-hungry accessory, such as a guitar input? There is 1 Comment. Load 'Em Up. Show speed reading tips and settings Shortcuts to mastering the comment thread. Use wisely. C - Next Comment X - Mark as Read R - Reply Z - Mark Read & Next Shift + C - Previous Shift + A - Mark All Read Comment Settings Live comment alert: Hide it! Comments for this post are closed.