yea, that boy knows wiring, re groundede my amp on sum big wires lieke he said nd it sounds sick now... but u can run 2 btts, but u dont have to.... advNCED AUTO PARTS HAS A SICK LIKE TRACTOR BATTERY, ITS WAT I SE, AND ITS LIKE 1150 cca...i like it and its like k79 bux, cheaper and MORE efficent than the yellow tops i dunno bout the others.. my .2