Optima Blue Top, Marine Batteries offer the clean, reliable, high-power output and deep cycle characteristics that have made Optima batteries famous are available for marine applications.
Optima Marine batteries use the same unique SPIRALCELL Technology which Optima engineers incorporate in the Optima Red Top Batteries and the Optima Yellow Top, Deep Cycle Batteries. Optima Batteries uses high purity lead plates wound with a glass mat that absorbs electrolyte like a sponge. This design gives the Optima extremely high power, very low internal resistance.
This flexible boat battery and RV battery is ideal for those who need a sure-starting, strong-cranking, maintenance-free power source.