The labels with "Nano" are mainly A123 cells, the "XRP" are either both and the only way to tell is the part number on the battery and the serial number
Well they dominate the 18v line with over 40 tools and one, well two batteries (NiCd and Lithium) and the 12v line is still new, so what do you think will happen next? At least they are not competing against themselves......now how about them apples