The ACDelco Professional Gold Batteries feature an impact and break-resistant plastic case for durability, including robust separator envelopes for extended auto battery life. With a competitive 42-month free replacement warranty and a terminal design that resists acid leaks, seepage corrosion and black post, the ACDelco Professional Gold Battery delivers maintenance-free performance and peace of mind. Integral gas separators and flame arrestor vents help prevent possible damage from outside sparks. Premium technology in the metal alloys and a higher amount of Lead, create an impressive performance, even in the coldest temperatures, and allow for more power use in a 'key off' environment. The ACDelco Professional Gold Battery is an ideal replacement auto battery for car and truck applications