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Electrical - Battery Isolators

Optimize power distribution with battery isolators that protect and separate multiple battery banks.

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  • Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]
    Mastervolt
    Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]
    Battery Mate 1602 IG Isolator - 120 Amp, 2 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, in both existing and new systems. As the voltage loss between the alternator and...
    $365.99
    $439.56
    $365.99
  • ARCO Marine BI-3203 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-3203]
    ARCO Marine
    ARCO Marine BI-3203 Battery Isolator - 120A - 2 Alternator, 3 Battery [BI-3203]
    BI-3203 Battery Isolator - 120A - 2 Alternator, 3 BatteryThe Arco Marine BI-3203 is an inboard/outboard battery isolator that can handle 2 alternators, 3 batteries, and 120A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.Features:...
    $366.99
    $451.21
    $366.99
  • Victron ArgoFET 200-2 Battery Isolator - 200AMP - 1 Alternator, 2 Batteries [ARG200201020R]Victron ArgoFET 200-2 Battery Isolator - 200AMP - 1 Alternator, 2 Batteries [ARG200201020R]
    Victron Energy
    Victron ArgoFET 200-2 Battery Isolator - 200AMP - 1 Alternator, 2 Batteries [ARG200201020R]
    Argo FET Battery Isolator - 200AMP - 2 BatteriesSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output battery charger), without connecting the batteries together. In contrast with diode battery isolators, FET...
    $119.85
    $141.00
    $119.85
  • ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]
    ProMariner
    ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]
    ProSafe FAILSAFE 30amp Galvanic IsolatorProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of the galvanic isolator as required by non FailSafe Certified galvanic isolators. ProSafe FS 30 is built on robust FlatPack semiconductor platforms ensuring that...
    $278.99
    $446.99
    $278.99
  • ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]
    ProMariner
    ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]
    Battery Isolator - 2 Alternator - 3 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 130 amps. Owner's Manual (pdf)
    $384.99
    $666.99
    $384.99
  • Newmar 1-3-165 Battery Isolator [1-3-165]
    Newmar Power
    Newmar 1-3-165 Battery Isolator [1-3-165]
    1-3-165 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each battery is charged according to its need without overcharging and is rated for 12-, 24-, or 36-volt...
    $398.99
    $422.10
    $398.99
  • Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]
    Mastervolt
    Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]
    Battery Mate 2503 IG Isolator - 200 Amp, 3 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, in both existing and new systems. As the voltage loss between the alternator and...
    $442.99
    $531.66
    $442.99
  • Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]
    Victron Energy
    Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]
    Galvonic Isolator VDI-32A 32A Max Waterproof (Potted)The galvanic isolator prevents electrolytic corrosion. It blocks low voltage DC currents that enter your boat via the shore power earth wire. These currents can cause corrosion to the boat’s underwater metals, like the hull, propeller, shaft and...
    $249.05
    $293.00
    $249.05
  • ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]
    ProMariner
    ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]
    Battery Isolator - 1 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 130 amps. Owner's Manual (pdf)
    $134.99
    $224.24
    $134.99
  • Newmar 2-3-120 Battery Isolator [2-3-120]
    Newmar Power
    Newmar 2-3-120 Battery Isolator [2-3-120]
    2-3-120 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each battery is charged according to its need without overcharging and is rated for 12-, 24-, or 36-volt...
    $515.99
    $581.70
    $515.99
  • Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]
    Victron Energy
    Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]
    Galvanic Isolator VDI-64A 64A Max Waterproof (Potted)The galvanic isolator prevents electrolytic corrosion. It blocks low voltage DC currents that enter your boat via the shore power earth wire. These currents can cause corrosion to the boat’s underwater metals, like the hull, propeller, shaft and...
    $305.15
    $359.00
    $305.15
  • ARCO Marine BI-1202 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1202]
    ARCO Marine
    ARCO Marine BI-1202 Battery Isolator - 120A - 1 Alternator, 2 Battery [BI-1202]
    BI-1202 Battery Isolator - 120A - 1 Alternator, 2 BatteryThe Arco Marine BI-1202 is an inboard/outboard battery isolator that can handle 1 alternator, 2 batteries, and 120A max—rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.Features: 1...
    $143.99
    $175.38
    $143.99
  • ARCO Marine BI-2703 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-2703]
    ARCO Marine
    ARCO Marine BI-2703 Battery Isolator - 70A - 2 Alternator, 3 Battery [BI-2703]
    BI-2703 Battery Isolator - 70A - 2 Alternator, 3 BatteryThe Arco Marine BI-2703 is an inboard/outboard battery isolator that can handle 2 alternators, 3 batteries, and 70A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.Features:...
    $217.99
    $269.75
    $217.99
  • ARCO Marine BI-3202 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-3202]
    ARCO Marine
    ARCO Marine BI-3202 Battery Isolator - 120A - 2 Alternator, 2 Battery [BI-3202]
    BI-3202 Battery Isolator - 120A - 2 Alternator, 2 BatteryThe Arco Marine BI-3202 is an inboard/outboard battery isolator that can handle 2 alternators, 2 batteries, and 120A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.Features:...
    $302.99
    $373.08
    $302.99
  • ARCO Marine BI-1603 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1603]
    ARCO Marine
    ARCO Marine BI-1603 Battery Isolator - 160A - 1 Alternator, 3 Battery [BI-1603]
    BI-1603 Battery Isolator - 160A - 1 Alternator, 3 BatteryThe Arco Marine BI-1603 is an inboard/outboard battery isolator that can handle 1 alternator, 3 batteries, and 160A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.Features:...
    $261.99
    $315.14
    $261.99
  • Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A [ARG080202000]
    Victron Energy
    Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A [ARG080202000]
    Argodiode Battery Isolator 80-2SC - 2 Batteries - 80AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharging the accessory battery for example will not result in also discharging the starter battery. Low voltage drop...
    $39.10
    $46.00
    $39.10
  • ARCO Marine BI-0702 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-0702]
    ARCO Marine
    ARCO Marine BI-0702 Battery Isolator - 70A - 1 Alternator, 2 Battery [BI-0702]
    BI-0702 Battery Isolator - 70A - 1 Alternator, 2 BatteryThe Arco Marine BI-0702 is an inboard/outboard battery isolator that can handle 1 alternator, 2 batteries, and 70A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.Features:...
    $89.99
    $110.65
    $89.99
  • ARCO Marine BI-0702-4 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-0702-4]
    ARCO Marine
    ARCO Marine BI-0702-4 Battery Isolator - 70A - 1 Alternator, 2 Battery [BI-0702-4]
    BI-0702-4 Battery Isolator - 70A - 1 Alternator, 2 BatteryThe Arco Marine BI-0702-4 is an inboard/outboard battery isolator that can handle 1 alternator, 2 batteries, and 70A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.*Includes...
    $89.99
    $108.80
    $89.99
  • ARCO Marine BI-1203-3A Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1203-3A]
    ARCO Marine
    ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A]
    BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 BatteryThe Arco Marine BI-1203-3A is an inboard/outboard battery isolator that can handle 1 alternator, 3 batteries, and 120A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.*Includes...
    $207.99
    $256.55
    $207.99
  • Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A [ARG180301020]
    Victron Energy
    Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A [ARG180301020]
    Argodiode Battery Isolator 180-3AC - 3 Batteries - 180AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharging the accessory battery for example will not result in also discharging the starter battery. Low voltage drop...
    $109.65
    $129.00
    $109.65

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