Okay, so what's the difference between top terminals and dual terminals? I have a 2004 Xterra and it says that both of these batteries work for it. They're the same price too.
http://www.4wheelparts.com/prodDetail.aspx?partno=OPT8022-091
http://www.4wheelparts.com/prodDetail.aspx?partno=OPT8025-160
http://www.4wheelparts.com/prodDetail.aspx?partno=OPT8022-091
http://www.4wheelparts.com/prodDetail.aspx?partno=OPT8025-160