Optima Batteries 8022-091 75/25 RedTop Starting Battery 12-Volt, 720 Cold Cranking Amps, Size: 10 5/16" x 6 13/16" x 7 5/8" tall, Weight: 33.1 pounds, Dual SAE & GM Posts Reserve capacity of 90 minutes for constant performance Optimal starting power even in bad weather Fifteen times more resistant to vibration for durability This item is not for sale in Catalina Island 12-Volt, 720 Cold Cranking Amps, Size: 10 5/16" x 6 13/16" x 7 5/8" tall, Weight: 33.1 pounds, Dual SAE & GM Posts Reserve capacity of 90 minutes for constant performance Optimal starting power even in bad weather. C20 capacity: 44 Ah, reserve capacity @25 Amps:100 Minutes Fifteen times more resistant to vibration for durability This item is not for sale in Catalina Island