Optima D31M

The OPTIMA BLUETOP® high-performance Absorbed Glass Mat (AGM) battery provides more recharges and longer deep-cycle run time than you get out of traditional batteries. They are designed to handle the constant vibration and jarring from waves that destroy traditional marine batteries. OPTIMA's patented SPIRALCELL™ Technology offers 15 times more vibration resistance and twice the life of an ordinary lead acid battery. In addition OPTIMA BLUETOP® provides more power in the initial seconds of the starting process than comparably rated conventional lead-acid batteries. Both dual-purpose and starting applications available Up to 3x more recharges than other marine batteries More than 15 times the vibration resistance Spill-proof Mountable in virtually any position Maintenance-free Optimal starting power (dual purpose and starting applications available) Works well as a boat battery or RV battery Click here to Download Optima User Guide PDF.