Would like to point out that you need to use the cable included with your iPad 3. It's slightly thicker gauge than that of the previous 30 pin cables and can deal with the resistance of charging the bigger battery. It's pretty noticeable when you hold the two cables up side by side. I was having this problem but then I held the cables up to one another and saw the difference. Not only did the not charging icon disappear but it seems to be charging slightly faster.