What Is an EFB Marine Battery?
What is an EFB marine battery? How enhanced flooded batteries differ from standard flooded and AGM, where they fit on a boat and how…
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What the M in Group 24M, 27M and 31M Means
What 24M, 27M and 31M mean on marine batteries: the marine "M" suffix, dual terminals, how it differs from automotive sizes, and how to…
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Interstate Lithium vs Interstate AGM Marine Batteries
Interstate lithium vs AGM marine batteries: compare the Li27M and Li24M lithium models with 27M and 31M AGM on capacity, cranking, warranty and use.
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Interstate Marine Batteries: Lineup Guide
A guide to Interstate marine batteries: starting, SRM deep-cycle, EFB, AGM dual-purpose and lithium models, group sizes, warranties and how to choose.
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Trojan vs Interstate Marine Batteries
Trojan vs Interstate marine batteries: deep-cycle specialist vs full marine lineup, AGM and flooded models compared by group size, capacity and warranty.
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