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Marine Battery

 

Marine Battery

Marine batteries are a variety of starting, lighting and ignition (SLI) batteries. They can be the conventional flooded-cell lead-acid design or absorbed glass mat (AGM). Typically, marine batteries possess deep-cycle capabilities or, in other words, the ability to be deeply depleted and recharged many times without damage to performance.

What is a breather and how does it work

How Does it Work?

  • A marine battery is sometimes used for both engine starting and operating accessories such as lighting, fi sh fi nders and trolling motors
  • Similar to a car battery, the marine battery uses a chemical energy exchange process to store and dispense electrical energy

How is it Made?

  • Held in a robust polyethylene or polypropylene case that is divided into 6 cells
  • Lead plates, active compounds and plate separators are precisely loaded into each cell
  • The cells are tied together with a lead strap that is terminated on one end with a positive post and the other end with the negative post

Why Does it Fail?

  • Remains discharged for a lengthy period of time which causes lead sulfate crystals to build on the plates, eventually limiting the batteries ability to hold a charge
  • Freezing can also damage a marine battery
  • Repeated high-rate discharge

What are the Symptoms of Failure?

  • Performance in cranking ability will diminish
  • Battery will fail to hold a full charge

What are the Implications of Failure?

  • Failure of a marine battery can not be reversed, it must be replaced

How Difficult is the Install?

Difficulty Rating:

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