BRAND NEW KINETIK HC600B POWER CELL CAR AUDIO HIGH CURRENT BATTERY Kinetik HC600-Blu Power Cell 600 Watt 12V 18Ah High Current Power Cell Designed With More Plates For Stronger Energy Density Sealed Non-Spillable Design Can Be Mounted In Any Position Tightly Packed Cells That Provides Superior Heat &amp; Vibration Resistance AGM Technology For Better Power Efficiency, Longer Life and Maximum Sound Performance!