Learn the difference between a deep cycle marine battery and a cranking battery so you can decide which is right for your customers. ... Instead, the boat needs continuous, reliable power for trolling, which is where deep cycle marine batteries come in. read more
What if you expect that deep draining a battery is a strong possibility, then a deep cycle battery is wise. If one has a sail boat, there are ever increasing demands on the batteries. Priority one for battery usage is the starter motor, engine fume fan, navigation/anticollison lights, and marine radio. read more
Marine batteriess are usually a "hybrid", and fall between the starting and deep-cycle batteries, though a few (Rolls-Surrette and Concorde, for example) are true deep cycle. In the hybrid, the plates may be composed of Lead sponge, but it is coarser and heavier than that used in starting batteries. read more