![]() For inboard engine applications, you should use clamp-on battery terminals connected to the correct gauge of battery cable. For outboard engine applications we recommend replacing wingnuts on the tops of the battery with nylock nuts or hex nuts and lock washers that are tightened to at least 10-foot-pounds of torque.This means having clean metal-to-metal connections, the right size terminals which are properly crimped and waterproofed and secure mechanical fasteners. Since the connections made in the battery circuits can conduct hundreds of amps, it is imperative that you have low resistance connections.The complete text of these standards is available in reprints from the ABYC. Where appropriate, we have provided information on circuit breakers and wire sizes, which are in accordance with these guidelines. The American Boat and Yacht Council (ABYC) publishes safety standards for circuit protection, wire sizes and other related issues in electrical systems.Whenever you are working on your electrical system, remove the positive battery cables from the battery terminals to eliminate the chance of a short circuit and/or possible electrocution. Batteries contain a tremendous, and potentially dangerous, amount of stored energy.Dual-purpose batteries are also available in flooded or sealed battery types.ĭo-it-Yourself: Installing a Battery Charger Since they have lower storage capacity than comparably-sized deep cycles, we recommend them for boats with two identical batteries used interchangeably for starting and house electrical loads. Most boats with dual-battery systems use one starting battery and one deep cycle battery.ĭual-purpose batteries work well in some applications and are a good compromise because they tolerate deep discharges that would ruin a typical starting battery. ![]() Any battery used to power onboard DC loads such as lighting, trolling motors, inverters and other systems should be a quality deep-cycle battery, like our West Marine brand. ![]() They are appropriate for sailboats, fishing boats and all other boats with larger DC power requirements. Lithium deep cycle batteries are also a great option as they are lighter compared to lead-acid equivalents and provide consistent power throughout discharge. They are appropriate as the single battery for wakeboard boats, runabouts, personal watercraft and other boats with minimal DC loads where the engine is always running.ĭeep-cycle batteries can endure repeated deep discharging and recharging without damage and are available in flooded and sealed battery types. They can supply lots of current for a short period of time, but like to be recharged almost immediately and are not tolerant of deep discharges. Starting batteries are similar to automotive batteries and are available in both flooded and sealed battery types. Sealed dual-purpose batteries combine the ability to withstand deep discharges with cranking power to start your engine ![]()
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