Optima Batteries 8071-167 D51 YellowTop Dual Purpose Battery 12-Volt, 450 Cold Cranking Amps, Size: 9 5/16" x 5 1/16" x 8 15/16" tall, Weight: 26 pounds, SAE Post Reserve capacity of 66 minutes for constant performance;Case: Polypropylene Optimal starting power even in bad weather Fifteen times more resistant to vibration for durability This item is not for sale in Catalina Island