Haier 2-Piece Micro-Mini DC Car Charger for iPad iPhone Android Mobile Devices $7

Quote from enrlover : can you charge an s3 and an ipad at the same time?

Besides the fact that it only has one USB port, I don't think 2.1A is going to be enough to charge both a phone and a tablet at the same time. I think the S3 uses a 1A charger, and most tablets use 2-2.1A, so if you were to somehow connect both to this device they would charge much slower than normal, if at all. You'd want something with around 3A(and two ports) to reliably charge a phone and tablet simultaneously.

Something like this should satisfy your needs:
http://www.amazon.com/high-speed-...009HD44US/

There was a 2 for 1 promo for it a while back, but the regular price is pretty decent if you have Prime or are ordering other stuff.

Edit: Actually it looks like the 2 for 1 promo is still good, so if you you can get two 3.1A dual port chargers for $10.95.