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

  • Samlex 160A Automatic Charge Isolator 12V or 24V ACR160
    Samlex 160A Automatic Charge Isolator 12V or 24V ACR160
    Save $39.90 USD
    Samlex America

    Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]

    $159.80 USD
    $159.80 USD $199.70 USD

    160A Automatic Charge Isolator - 12V or 24VThe ACR-160 combines battery banks for charging and isolates them when charging has stopped. It provides priority for charging...
  • ProMariner Battery Isolator 2 Alternator 3 Battery 70 AMP 12073
    ProMariner Battery Isolator 2 Alternator 3 Battery 70 AMP 12073
    Save $96.00 USD
    ProMariner

    ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]

    $244.99 USD
    $244.99 USD $340.99 USD

    Battery Isolator - 2 Alternator - 3 Battery - 70 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with...
  • Newmar 13165 Battery Isolator 13165
    Newmar 13165 Battery Isolator 13165
    Save $39.01 USD
    Newmar Power

    Newmar 1-3-165 Battery Isolator [1-3-165]

    $433.99 USD
    $433.99 USD $473.00 USD

    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....
  • Victron Argodiode Battery Isolator 1803AC 3 Batteries 180A ARG180301020
    Victron Argodiode Battery Isolator 1803AC 3 Batteries 180A ARG180301020
    Save $19.35 USD
    Victron Energy

    Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A [ARG180301020]

    $109.65 USD
    $109.65 USD $129.00 USD

    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....
  • Victron Argodiode Battery Isolator 802SC 2 Batteries 80A ARG080202000
    Victron Argodiode Battery Isolator 802SC 2 Batteries 80A ARG080202000
    Save $6.90 USD
    Victron Energy

    Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A [ARG080202000]

    $39.10 USD
    $39.10 USD $46.00 USD

    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....
  • Victron Argodiode Battery Isolator 1403AC 3 Batteries 140A ARG140301020R
    Victron Argodiode Battery Isolator 1403AC 3 Batteries 140A ARG140301020R
    Save $16.80 USD
    Victron Energy

    Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]

    $95.20 USD
    $95.20 USD $112.00 USD

    Argodiode Battery Isolator 140-3AC - 3 Batteries - 140AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries....
  • Victron Argodiode Battery Isolator 802AC 2 Batteries 80A ARG080201000
    Victron Argodiode Battery Isolator 802AC 2 Batteries 80A ARG080201000
    Save $8.85 USD
    Victron Energy

    Victron Argodiode Battery Isolator 80-2AC - 2 Batteries - 80A [ARG080201000]

    $50.15 USD
    $50.15 USD $59.00 USD

    Argodiode Battery Isolator 80-2AC - 2 Batteries - 80AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries....
  • ProMariner Battery Isolator 130 AMP 1 Alternator 2 Battery 11132
    ProMariner Battery Isolator 130 AMP 1 Alternator 2 Battery 11132
    Save $51.00 USD
    ProMariner

    ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]

    $170.99 USD
    $170.99 USD $221.99 USD

    Battery Isolator - 1 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with...
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