Duralast Automotive Batteries are designed to deliver reliable starting power and performance in severe conditions. Engineered to meet the quality of your vehicle's original equipment (OE), withstand extreme weather, hold up to vibrations, and deliver longer life. Duralast Batteries are Proven Tough and provide durability you can count on for a consistently strong start. Duralast Automotive Batteries are backed by a 2-year, free replacement, nationwide warranty.