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

  • Newmar 2370 Battery Isolator 2370
    Newmar 2370 Battery Isolator 2370
    Save $5.01 USD
    Newmar Power

    Newmar 2-3-70 Battery Isolator [2-3-70]

    $359.99 USD
    $359.99 USD $365.00 USD

    2-3-70 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....
  • ProMariner Battery Isolator 130 AMP 1 Alternator 3 Battery 11133
    ProMariner Battery Isolator 130 AMP 1 Alternator 3 Battery 11133
    Save $67.00 USD
    ProMariner

    ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]

    $222.99 USD
    $222.99 USD $289.99 USD

    Battery Isolator - 1 Alternator - 3 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with...
  • ProMariner Battery Isolator 130 AMP 2 Alternator 2 Battery 12132
    ProMariner Battery Isolator 130 AMP 2 Alternator 2 Battery 12132
    Save $129.00 USD
    ProMariner

    ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]

    $325.99 USD
    $325.99 USD $454.99 USD

    Battery Isolator - 2 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with...
  • Victron Galvanic Isolator VDI16A 16 AMP Max Waterproof Potted GDI000016000Victron Galvanic Isolator VDI16A 16 AMP Max Waterproof Potted GDI000016000
    Victron Galvanic Isolator VDI16A 16 AMP Max Waterproof Potted GDI000016000Victron Galvanic Isolator VDI16A 16 AMP Max Waterproof Potted GDI000016000
    Save $19.35 USD
    Victron Energy

    Victron Galvanic Isolator VDI-16A, 16 AMP Max Waterproof Potted [GDI000016000]

    $109.65 USD
    $109.65 USD $129.00 USD

    Galvanic Isolator VDI-16A, 16 AMP Max Waterproof PottedThe galvanic isolator prevents electrolytic corrosion. It blocks low-voltage DC currents that enter your boat via the shore power...
  • Victron Argofet Battery Isolator 1003 3 Batteries 100AMP ARG100301020R
    Victron Argofet Battery Isolator 1003 3 Batteries 100AMP ARG100301020R
    Save $20.25 USD
    Victron Energy

    Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP [ARG100301020R]

    $114.75 USD
    $114.75 USD $135.00 USD

    Argofet Battery Isolator 100-3 3 Batteries - 100AMPSimilarly to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or more batteries from one alternator (or...
  • Victron Galvanic Isolator VDI32A 32A Max Waterproof Potted GDI000032000Victron Galvanic Isolator VDI32A 32A Max Waterproof Potted GDI000032000
    Victron Galvanic Isolator VDI32A 32A Max Waterproof Potted GDI000032000Victron Galvanic Isolator VDI32A 32A Max Waterproof Potted GDI000032000
    Save $43.95 USD
    Victron Energy

    Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]

    $249.05 USD
    $249.05 USD $293.00 USD

    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...
  • Victron Galvanic Isolator VDI64A 64A Max Waterproof Potted GDI000064000
    Victron Galvanic Isolator VDI64A 64A Max Waterproof Potted GDI000064000
    Save $53.85 USD
    Victron Energy

    Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]

    $305.15 USD
    $305.15 USD $359.00 USD

    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...
  • Victron Argo FET Battery Isolator 2003 3 Batteries 200AMP ARG200301020
    Victron Argo FET Battery Isolator 2003 3 Batteries 200AMP ARG200301020
    Save $24.75 USD
    Victron Energy

    Victron Argo FET Battery Isolator 200-3 3 Batteries - 200AMP [ARG200301020]

    $140.25 USD
    $140.25 USD $165.00 USD

    Argo FET Battery Isolator 200-3 3 Batteries - 200AMPSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator...
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