Battery Isolators

Separate your battery banks. Manage your power with confidence.

Shop marine battery isolators, dual-battery isolators, multi-bank isolators, charging isolators and related battery-management accessories for sailboats, powerboats, yachts and other marine electrical systems.

Separate. Protect. Stay powered.

34 products

  • Victron Argo FET Battery Isolator 100AMP 2 Batteries ARG100201020Victron Argo FET Battery Isolator 100AMP 2 Batteries ARG100201020
    Victron Argo FET Battery Isolator 100AMP 2 Batteries ARG100201020Victron Argo FET Battery Isolator 100AMP 2 Batteries ARG100201020
    Save $17.70 USD
    Victron Energy

    Victron Argo FET Battery Isolator - 100AMP - 2 Batteries [ARG100201020]

    $100.30 USD
    $100.30 USD $118.00 USD

    Argo FET Battery Isolator - 100AMP - 2 BatteriesSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator...
  • Victron Argo Diode Battery Isolator 160AMP 2 Batteries ARG160201020
    Victron Argo Diode Battery Isolator 160AMP 2 Batteries ARG160201020
    Save $15.90 USD
    Victron Energy

    Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries [ARG160201020]

    $90.10 USD
    $90.10 USD $106.00 USD

    Argo Diode Battery Isolator - 160AMP - 2 BatteriesDiode battery isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries...
  • Analytic Systems 200A 40V 3Bank Ideal Battery Isolator IBI340200
    Analytic Systems 200A 40V 3Bank Ideal Battery Isolator IBI340200
    Analytic Systems

    Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator [IBI3-40-200]

    $339.00 USD
    $339.00 USD $0.00 USD

    200A, 40V 3-Bank Ideal Battery IsolatorFeatures: Waterproof Expoxy Sealed Construction Easy Connection Most Efficient use of Available Alternator Output Maximize Battery Performance Three year parts and...
  • Mastervolt Battery Mate 1602 IG Isolator 120 Amp 2 Bank 83116025Mastervolt Battery Mate 1602 IG Isolator 120 Amp 2 Bank 83116025
    Mastervolt Battery Mate 1602 IG Isolator 120 Amp 2 Bank 83116025Mastervolt Battery Mate 1602 IG Isolator 120 Amp 2 Bank 83116025
    Save $127.00 USD
    Mastervolt

    Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]

    $350.99 USD
    $350.99 USD $477.99 USD

    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...
  • Mastervolt Battery Mate 1603 IG Isolator 120A 3 Bank 83116035Mastervolt Battery Mate 1603 IG Isolator 120A 3 Bank 83116035
    Mastervolt Battery Mate 1603 IG Isolator 120A 3 Bank 83116035Mastervolt Battery Mate 1603 IG Isolator 120A 3 Bank 83116035
    Save $143.00 USD
    Mastervolt

    Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]

    $391.99 USD
    $391.99 USD $534.99 USD

    Battery Mate 1603 IG Isolator - 120 Amp, 3 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any...
  • Mastervolt Battery Mate 2503 IG Isolator 200 Amp 3 Bank 83125035Mastervolt Battery Mate 2503 IG Isolator 200 Amp 3 Bank 83125035
    Mastervolt Battery Mate 2503 IG Isolator 200 Amp 3 Bank 83125035Mastervolt Battery Mate 2503 IG Isolator 200 Amp 3 Bank 83125035
    Save $184.00 USD
    Mastervolt

    Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]

    $393.99 USD
    $393.99 USD $577.99 USD

    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...
  • ProMariner ProIsoCharge Battery Isolator 120Amp 1Alt 2Bat 12V 23121
    ProMariner ProIsoCharge Battery Isolator 120Amp 1Alt 2Bat 12V 23121
    Save $97.00 USD
    ProMariner

    ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]

    $155.99 USD
    $155.99 USD $252.99 USD

    ProIsoCharge SeriesModelProIsoCharge120 1•2 Part No. 23121System Volts DC 12Max DC Amps 120 AmpAlternator Input1Battery Outputs 2Size 5.35"(l) x 5.875"(w) x 3.125"(h)Weight2 lbsSignificantly Smarter...ProIsoCharge delivers digitally controlled...
  • ProMariner ProIsoCharge Battery Isolator 120Amp 1Alt 3Bat 12V 23124
    ProMariner ProIsoCharge Battery Isolator 120Amp 1Alt 3Bat 12V 23124
    Save $105.00 USD
    ProMariner

    ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]

    $166.99 USD
    $166.99 USD $271.99 USD

    ProIsoCharge SeriesModel ProIsoCharge120 1•3 Part No. 23124 System Volts DC 12Max DC Amps 120 AmpAlternator Input1Battery Outputs 3Size 6.15"(l) x 5.875"(w) x 3.125"(h)Weight3 lbsSignificantly Smarter...ProIsoCharge delivers...
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