Listed as a marine battery but others have used them in automotive applications with the same benefits as the red, orange, and yellow top versions.
OPTIMA BlueTop Benefits:
-- Starting and dual purpose (starting and deep cycling) models available.
-- Lasts up to 2 times longer than other batteries.
-- More power in the inital 1, 3, 5, and 10 seconds of the starting process than comparably rated conventional lead acid batteries.
-- Constant performance quality keeping your battery running at the same level even as it's being discharged.
-- Ideal for seasonal use, fully charged, it can sit unused for up to 12 months at room temperature (or below) and still provide the power necessary to start your boat's engine.
15 times more resistant to vibration than other batteries.
-- Nonspillable and can mount in almost any position.