Is your ride stuffed with excellent audio boosters but for some reason your car can't seem to give it all enough juice? You need a car battery that can power your music. You need the XS Power 12V BCI Group 31 AGM Car Battery. This sealed high output car battery has an absorbed glass mat design makes the battery almost immune to vibration, anti internal resistance loss, valve regulation, and spill proof. It maxes out at 3,000 amps. The M6 terminal bolt hardware is included with this car battery.