We are proud to offer this DieHard product line: Diehard Marine Starting. The marine starting batteries are available in a wide range of power capacities...from medium-duty to super heavy-duty, delivering over 1000 cranking amps of power. An exclusive calcium alloy and full frame plates mean never having to add water and more power-per-pound of battery. A low profile flush cover keeps battery clean and acid free while stainless steel stud dual top terminals keep connections corrosion-free and installation quick and easy. Product Features:Exclusive dual-top stainless steel terminals for corrosion-free connectionsHeavy-duty maintenance-free starting power for long life and sure startsIncludes handles for ease of installation and transportationLow profile flush cover prevents the loss of vent caps