Optima Batteries 8052-161-FFP D31M BlueTop Starting and Deep Cycle Battery 12-Volt, 900 cold cranking Ampere, size: 12-13/16" x 6-1/2" x 9-3/8" tall, weight: 59.8 pounds, dual SAE and 5/16" stainless steel stud posts Reserve capacity of 155 minutes for constant performance Optimal starting power even in bad weather Fifteen times more resistant to vibration for durability