
When the going gets tough - the tough get awesome. Duralast batteries are in it to win it.
Buy At AutoZone Buy At AutoZone2 Year Warranty
Nationwide Free Replacement Warranty
We stand behind our batteries with a Nationwide Two-Year Free Replacement Warranty.
Duralast Gold & Platinum batteries have a Nationwide Three-Year Free Replacement Warranty. Powerful batteries deserve warranties that are just as powerful.
Patented Design
For Premium Performance
Duralast batteries feature a patented design that's powerfully effective - even in extreme conditions.
The rugged, impact-resistant polypropylene construction reduces damage due to vibration.
BORN TOUGH
Duralast batteries feature best-in-class vent caps, a Solidium™ Weld System, Robust Separators, LifeSpan™ negative paste and power designed to meet or exceed your specific vehicles needs. All this adds up to a powerful, long-lasting battery that's worthy of the Duralast name.
Best-in-class vent caps are engineered to be safer, reduce leakage and corrosion, and increase the overall durability.
The extreme bond created by the LifeSpan™ formula improves performance and increases battery life.
Duralast batteries' robust separators are stronger and more stable, leading to fewer battery failures due to shorts.
CircaTech™ negative plates feature patented rounded corners that reduce internal shorts and extend battery life.
Patented stamped-grid technology gives you the high-performance results you need.

Knowledge Is Power
We've got your back.
Most batteries last 3-5 years. If your car battery is 4 years old or older, you`re at risk for failure.
But don't worry; you can have your battery tested at your nearest AutoZone® store-free of charge. So stop in to keep your battery charging forward.
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- 1 in 4 vehicles on the road will need a new battery this year.
- More cranking power is required to start an engine in cold weather.
- 53% of all vehicle battery failures occur in the morning.