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Marine Batteries
AGM, D34M Optima, 750cca 120rc, Blue Top, Group 34M, AGM Battery
BLUETOP® Marine Battery: The BLUETOP starting battery (dark gray case) is to be used when a dedicated starting battery is required; it should never be used for cycling duty. The dual-purpose BLUETOP (light gray case) can be used for both starting and deep cycling; it is a true deep-cycle battery with extremely high cranking power.