ok well i have a Hifonics Zeus 600 watt 2 channel amp powering 2 12inch Kicker L5s so im only giving them 300 watts each and they can handle 600 and i was wondering would i have to get a new battery if i wanted to get another amp so id have 2. Cause i no i would need a fuse block or whatever it is and another set of wires but i just wanna no if i would need another battery or what i need.