Marine Isolators

Marine Battery Isolators
  • Newmar® - Battery Integrator
    Newmar®Battery Integrator (BI-100)
    0
    # mpn735707613
    Battery Integrator (BI-100) by Newmar®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your vessel and...
    Heavy duty silver-plated contactor, continuous duty rated to 100 amps or 200 amp depending on modelVoltage sense circuit, epoxy encapsulated and heavy duty continuous rated solenoid are all designed for use in marine environments
    $210.80
  • Sierra® - 75A 2-Bank 1 Alternator Battery Isolator
    Sierra®75A 2-Bank 1 Alternator Battery Isolator (18-6855)
    0
    # mpn4918278284
    75A 2-Bank 1 Alternator Battery Isolator by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    Will Work with Delco "CS" series alternatorsInsures battery isolation without needing to check a switch
    $62.78




Most modern vessels have lots of electric and electronic devices which aim to make a water trip safe and enjoyable. All of them require power to operate. This is why boats are equipped with two and more batteries that power different systems. A specially designed isolator is essential in such a setup in order to separate those batteries from each other and therefore make sure that the electrical system of a boat won’t pull power from all of them at the same time. Otherwise, they will be drained quickly and you won’t be able to start the engine. That may also cause various electric issues. Battery isolators differ in their design to meet any application.

As we have already mentioned they separate batteries making them discharge independently. However, there is a common charging source. To choose the right model for your electric system, you should consider how many alternators there are. Typically, an isolator is installed between one or two alternators and two or more batteries. Also, keep in mind that this device should be capable of handling the alternator’s rated output. Whatever your needs, we have your product in our store. Here you will find a variety of options from prominent brands including Bussmann, Newmar, Sea Dog, and others.

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