Marine Isolators
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Mastervolt®Battery Mate IG 3-Bank 1 Alternator Battery IsolatorBattery Mate IG 3-Bank 1 Alternator Battery Isolator by Mastervolt®. While BI battery isolators are conventional diode splitters, the Battery Mate’s technology is electronic and includes mosfets (transistors). Its components...Charging two or three batteries at high capacity: The Battery Mate is most suitable for charging multiple batteries, possibly with various brands of alternators, even if their charge voltage cannot be adjusted. It can charge two or three batteries with a very high yield and without voltage lossClear monitoring: Safety guaranteed: The Battery Mate LED display indicates whether the power input is active$462.14 - $464.72 - Mastervolt®Battery Mate IG 120A 2-Bank 1 Alternator Battery Isolator (83116025)Battery Mate IG 120A 2-Bank 1 Alternator Battery Isolator by Mastervolt®. While BI battery isolators are conventional diode splitters, the Battery Mate’s technology is electronic and includes mosfets (transistors). Its components...Charging two or three batteries at high capacity: The Battery Mate is most suitable for charging multiple batteries, possibly with various brands of alternators, even if their charge voltage cannot be adjusted. It can charge two or three batteries with a very high yield and without voltage lossClear monitoring: Safety guaranteed: The Battery Mate LED display indicates whether the power input is active$407.77
- Mastervolt®Battery Mate IG 120A 3-Bank 1 Alternator Battery Isolator (83116035)Battery Mate IG 120A 3-Bank 1 Alternator Battery Isolator (83116035) by Mastervolt®. While BI battery isolators are conventional diode splitters, the Battery Mate’s technology is electronic and includes mosfets (transistors). Its...Charging two or three batteries at high capacity: The Battery Mate is most suitable for charging multiple batteries, possibly with various brands of alternators, even if their charge voltage cannot be adjusted. It can charge two or three batteries with a very high yield and without voltage lossClear monitoring: Safety guaranteed: The Battery Mate LED display indicates whether the power input is active$462.14
- Sea Dog®2-Bank Battery Isolator (422790-1)2-Bank Battery Isolator by Sea Dog®. Machined Brass/Injection Molded Nylon. This Smart Dual Battery Isolator is ideal for dual battery applications. Allows two batteries to automatically charge at the same time and then isolates the...Engineered to high standardsHigh-grade design delivers extended lifespan$77.45
- Cole Hersee®90A 3-Bank 1 Alternator Battery Isolator (48090-BX)90A 3-Bank 1 Alternator Battery Isolator by Cole Hersee®. 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...Engineered to high standardsHigh-grade design delivers extended lifespan$80.19
- KJM®140A 2-Bank 1 Alternator Battery Isolator (DBI12)140A 2-Bank 1 Alternator Battery Isolator by KJM®. Used to charge House Battery from ship's alternator without discharging start battery when engine is off. Includes 20' red #7 cable, 2' ground cable. This product is made of...Engineered to high standardsHigh-grade design delivers extended lifespan$70.08
- Newmar®Galvanic IsolatorGalvanic Isolator by Newmar®. The Galvanic Isolator (GI) is a device for reducing stray low voltage currents traveling between the shore power's AC safety ground (earth) and the boat's DC bonding system, while maintaining the safety...Engineered to high standardsHigh-grade design delivers extended lifespan$334.54 - $381.83
- Newmar®Noise FilterNoise Filter by Newmar®. The interference or electronic "noise" generated by alternators, ignition systems, motors, etc. can render a vehicle or vessel's radio or other electronic equipment virtually useless. This interference takes the...Heavy duty aluminum constructionOperate on 6-48 V DC systems$87.07 - $248.90
- Newmar®2-Bank 1 Alternator Battery Isolator2-Bank 1 Alternator Battery Isolator by Newmar®. 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, this product by Newmar® will last a...Engineered to high standardsHigh-grade design delivers extended lifespan$105.36 - $189.40
- Newmar®3-Bank 1 Alternator Battery Isolator3-Bank 1 Alternator Battery Isolator by Newmar®. Heavy duty isolators allow charging multiple batteries automatically from alternators and prevent discharge from one battery bank to another. Each battery is charged according to need...Made with precision and quality in mindBuilt to last$256.84 - $368.49
- Newmar®3-Bank 2 Alternator Battery Isolator3-Bank 2 Alternator Battery Isolator by Newmar®. 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, this product by Newmar® will last a...Engineered to high standardsHigh-grade design delivers extended lifespan$283.97 - $508.89
- Newmar®Battery IntegratorBattery Integrator by Newmar®. 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, this product by Newmar® will last a lifetime. It will...Designed to match rigorous quality standardsHigh quality at a budget-friendly price$210.80 - $388.64
- Analytic Systems®IBI Series 200A 2-Bank 1 Alternator Battery Isolator (IBI2-40-200)IBI Series 200A 2-Bank 1 Alternator Battery Isolator by Analytic Systems®. Analytic Systems introduces the IBI (Ideal Battery Isolator) for bank battery systems, allowing all the batteries to be fully charged from a single alternator...Waterproof Epoxy Sealed ConstructionEasy Connection$214.80
- Analytic Systems®IBI Series 200A 3-Bank 1 Alternator Battery Isolator (IBI3-40-200)IBI Series 200A 3-Bank 1 Alternator Battery Isolator by Analytic Systems®. Analytic Systems introduces the IBI (Ideal Battery Isolator) for bank battery systems, allowing all the batteries to be fully charged from a single alternator...Waterproof Epoxy Sealed ConstructionEasy Connection$285.97
- Mastervolt®Battery Mate IG 200A 3-Bank 1 Alternator Battery Isolator (83125035)Battery Mate IG 200A 3-Bank 1 Alternator Battery Isolator (83125035) by Mastervolt®. While BI battery isolators are conventional diode splitters, the Battery Mate’s technology is electronic and includes mosfets (transistors). Its...Charging two or three batteries at high capacity: The Battery Mate is most suitable for charging multiple batteries, possibly with various brands of alternators, even if their charge voltage cannot be adjusted. It can charge two or three batteries with a very high yield and without voltage lossClear monitoring: Safety guaranteed: The Battery Mate LED display indicates whether the power input is active$464.72
- Mastervolt®Charge Mate Pro 40 40A 1-Bank 1 Alternator Battery Isolator (83304002)Charge Mate Pro 40 40A 1-Bank 1 Alternator Battery Isolator by Mastervolt®. Current limited electronic charge relay with high efficiency and reverse current protection. A secondary battery on board requires a dedicated charging...Electronic charge coupling with very low voltage dropMakes effective dual charging possible$276.09
- Newmar®100A 24V DC Battery Integrator (BI-24-100)100A 24V DC Battery Integrator (BI-24-100) by Newmar®. Charging multiple battery banks without use of diode isolators dictates that the batteries be connected or integrated only whenever a charge voltage is present so that they may be...Made with precision and quality in mindDesigned to match rigorous quality standards$232.19
- Newmar®10A Noise Filter (PC-10)10A Noise Filter (PC-10) by Newmar®. Installed at affected equipment in "+" and "-" leads. The interference or electronic "noise" generated by alternators, ignition systems, motors, etc. can render a vehicle or vessel's radio or other...Heavy duty aluminum constructionOperate on 6-48 V DC systems$87.07
- Newmar®120A 2-Bank 1 Alternator Battery Isolator (1-2-120)120A 2-Bank 1 Alternator Battery Isolator (1-2-120) by Newmar®. Heavy duty isolators allow charging multiple batteries automatically from alternators and prevent discharge from one battery bank to another. Each battery is charged...Made with precision and quality in mindBuilt to last$189.40
- Newmar®120A 3-Bank 1 Alternator Battery Isolator (1-3-120)120A 3-Bank 1 Alternator Battery Isolator (1-3-120) by Newmar®. Heavy duty isolators allow charging multiple batteries automatically from alternators and prevent discharge from one battery bank to another. Each battery is charged...Made with precision and quality in mindBuilt to last$256.84
- Newmar®120A 3-Bank 2 Alternator Battery Isolator (2-3-120)120A 3-Bank 2 Alternator Battery Isolator (2-3-120) by Newmar®. Heavy duty isolators allow charging multiple batteries automatically from alternators and prevent discharge from one battery bank to another. Each battery is charged...Made with precision and quality in mindBuilt to last$508.89
- Newmar®150A Noise Filter (150-A)150A Noise Filter (150-A) by Newmar®. Installed at Alternator. The interference or electronic "noise" generated by alternators, ignition systems, motors, etc. can render a vehicle or vessel's radio or other electronic equipment...Heavy duty aluminum constructionOperate on 6-48 V DC systems$248.90
- Newmar®165A 3-Bank 1 Alternator Battery Isolator (1-3-165)165A 3-Bank 1 Alternator Battery Isolator (1-3-165) by Newmar®. Heavy duty isolators allow charging multiple batteries automatically from alternators and prevent discharge from one battery bank to another. Each battery is charged...Made with precision and quality in mindBuilt to last$368.49
- Newmar®200A 12V DC Battery Integrator (BI-200)200A 12V DC Battery Integrator (BI-200) by Newmar®. Charging multiple battery banks without use of diode isolators dictates that the batteries be connected or integrated only whenever a charge voltage is present so that they may be...Made with precision and quality in mindDesigned to match rigorous quality standards$388.64
- Newmar®30A Galvanic Isolator (GI-30)30A Galvanic Isolator (GI-30) by Newmar®. The Galvanic Isolator (GI) is a device for reducing stray low voltage currents traveling between the shore power's AC safety ground (earth) and the boat's DC bonding system, while maintaining...Engineered to high standardsHigh-grade design delivers extended lifespan$381.83
- Newmar®50A Galvanic Isolator (GI-50)50A Galvanic Isolator (GI-50) by Newmar®. The Galvanic Isolator (GI) is a device for reducing stray low voltage currents traveling between the shore power's AC safety ground (earth) and the boat's DC bonding system, while maintaining...Engineered to high standardsHigh-grade design delivers extended lifespan$334.54
- Newmar®70A 2-Bank 1 Alternator Battery Isolator (1-2-70)70A 2-Bank 1 Alternator Battery Isolator (1-2-70) by Newmar®. These heavy duty isolators allow charging multiple batteries automatically from one or two alternators, and prevent discharge or ‘dumping" of one battery into another. Each...Heavy duty constructionRated for systems up to 48 volts DC, negative ground$105.36
- Newmar®70A 3-Bank 2 Alternator Battery Isolator (2-3-70)70A 3-Bank 2 Alternator Battery Isolator (2-3-70) by Newmar®. These heavy duty isolators allow charging multiple batteries automatically from one or two alternators, and prevent discharge or ‘dumping" of one battery into another. Each...Heavy duty constructionRated for systems up to 48 volts DC, negative ground$283.97
- Newmar®Automatic Power Selector (APS-70)Automatic Power Selector by Newmar®. The Automatic Power Selector (APS) is a solid state device which enables installation of a seamless, redundant power system for critical electronic loads. It selects the higher voltage of two...Engineered to high standardsHigh-grade design delivers extended lifespan$148.16
- Newmar®Battery Integrator (BI-100)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
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.
