12V 77Ah Deep Cycle Marine Battery for Replacement Optima D27M - Group Size 27

Unleash the this year with the new Group 27M deep-cycle marine battery with dual terminals. batteries are designed to withstand rigorous deep charges as well as long slow recharges. The marine deep-cycle battery is a direct replacement for Optima D27M batteries and excellent recharge capabilities for long lasting performance. marine batteries are produced and manufactured using only the most up to date materials. All group 27 batteries have a built in Hydrometer which easily tells the current state of your battery life. Our group 27 marine battery is rugged . powerful . resilient . and should be the only battery you rely on for cranking . igniting . and lighting. The advantage of buying Marine Batteries is that they have more battery plates. More battery plates mean more plate surface area. That means that the battery has more power twice as much as conventional batteries. batteries are capable of providing engine cranking As good as any other battery equally sized . even at ve