16V 30AH (2000 Watts) High Performance Car Audio Battery Replaces HC16V Features: Car audio systems use the most reliable type of rechargeable battery; the 16V 30AH valve regulated lead acid battery. Chrome Battery offers a large inventory of BlockShakers High Performance Power Cells to replace your existing battery. Height: 5.00 in. Width: 3.75 in. Length: 9.75 in. Weight: 23.00 lbs.