It's pretty new under the AMain label, but its marketed by others -

http://www.hitecrcd.com/products/new-products/x2.html


Believe these are re-badged Imax B6 Dual chargers which had a rough start. Since someone like Hitec has it re-badged, I'd assume things have gotten better. Here's the orig RC Groups thread on the B6 Dual when it came out in '10 -

http://www.rcgroups.com/forums/showthread.php?t=1255637