Ahh, to everyone wondering if batteries matter or not, the owner of Maxxsonics, who makes Crunch, Hifonics, MBQuart, and Autotek, made a video to answer the debate!

Car Audio 101 - Battery Tutorial - YouTube

Now 1800, you have a solid track record of owning audio companies, building and designing amplifiers, and >600w experience, can you please tell everyone why this guy is wrong?