BatteryWeb.com now offers an additional option for your Mazda Miata, the Westco MK AGM 12V31M and the Deka 8AMU1R, both of these batteries are part of the BCI Group Size U1 and fit in all Mazda Miata Models from 1990 and up! These batteries are second generation sealed for your Miata, meaning they no longer require any maintenance. Thanks to the new terminal design and OEM correct polarity, simply install the battery in your Miata and it's ready to go. Your Miata isn't a conventional car, don't settle for a conventional replacement battery, start with the best available at BatteryWeb.com.
Westco Miata Battery Warranty: 4 Years - First Year Exchange, Balance Pro-Rated