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e Marine Systems
salesinfo@emarinesystems.com

2821 SW 23rd Terrace #3
Fort Lauderdale, Florida, 33312 USA

Toll Free: 877-432-2221
Phone: 954-581-2505
Fax: 954-337-2287

Battery Isolators

When two or more batteries are installed in your vehicle (RV, Boat, Limousine, Emergency Vehicle, Automobile, etc.) powering different systems, Battery Isolators allows them to share a common charging source while being independently discharged.

Battery Isolators are commonly used to maintain the starting battery charge while using a second battery to power accessory items (sound systems, refrigeration, emergency lights, computer equipment, etc.) eliminating the fear of having a dead battery when trying to start the engine.

Choosing Battery Isolators can be a daunting task for the uninitiated. Consider the following when making your selection:

  • How many alternators do you have?
  • How many amps does your alternator output? 
  • How many batteries do you want your system to charge?

Having the answers to those three questions makes choosing the right isolator for your needs a snap.

What Does a Battery Isolator Do?

Battery Isolators

Common wiring setups, click to view:
1 Alternator 2 Battery 1 Alternator 3 Battery
1 Alternator 4 Battery 2 Alternator 3 Battery

Battery Isolator = your engine will start!

Why do I need a battery Isolator?

 


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