I haven't had good luck with using the Legend Premium series (Deka mfg.) from NAPA. The first one died in 8 months & was replaced free under warranty, that one went 2.5 yrs. then was prorated, waiting to see how long this one lasts (all 3 were the upgraded V6 battery). Completely sealed battery's are suppose to have a shorter lifespan though.NAPA Legend Gold level - buy the highest CCA rating you can and be done with it!