Optima Batteries 8050-160-FFP D31T YellowTop Dual Purpose Battery 12-Volt, 900 cold cranking Ampere, size: 12-13/16" x 6-1/2" x 9-3/8" tall, weight: 59.8 pounds, steel stud and SAE post Reserve capacity of 155 minutes for constant performance Optimal starting power even in bad weather Fifteen times more resistant to vibration for durability Special shipping information: This item cannot be returned and has additional shipping restrictions