If you need a new 2010 Mazda MX5 Miata battery, it's time to stop by AutoZone. Batteries tend to work consistently well right up to the time they fail, and it's hard to tell when one is on the way out. That's why we offer free battery testing and charging so you can figure out when it's time for a new one. Check out the specifications on these replacement 2010 MX5 Miata batteries and find the one that meets your needs.