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What Are Group 31 Deep Cycle Batteries?

Group 31 is a standardized battery size classification (defined by BCI), and a deep cycle battery is designed for prolonged, stable discharge. Combined, a Group 31 Deep Cycle Battery refers to a deep cycle battery...

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The Ultimate Guide to Marine Batteries

Starting Battery vs. Deep Cycle Battery vs. Maintenance-Free Lead-Acid Battery Marine batteries are the heart of a boat’s power system, directly impacting engine starting, equipment power supply, and navigation safety....

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