The EXIDE MT40B20R car battery is a maintenance-free power source that incorporates advanced Ca-Ca technology for optimal performance. With a superior charge acceptance in service, this battery boasts a higher life expectancy to keep your vehicle running smoothly for longer. Its double-clad polyethylene and glass mat separation offer high reliability and longer life, while its unique Omega type cover design is fitted with a Venturi type chamber cover for excellent spill-resistant characteristics. Plus, with a long wet shelf life, you can be sure this battery will be ready to go when you need it most.