 The basic things we do to maintain them won't really change, and that includes maintaining your 12-volt battery and changing it out when necessary. Learn more about AGM batteries at autobatteries.com. That's autobatteries.com. As a professional, you've got 1,001 things to track in your shop and zero minutes to slow down. AutoZone understands that and is here to help you keep your business moving. AutoZone has original equipment quality or better parts from brands you can trust, leading in stock coverage.