Protect and optimize your onboard power with marine battery isolators built for dependable energy management. This collection includes high-performance isolators that allow multiple battery banks to charge simultaneously from a single power source—while keeping them electrically isolated to prevent backflow and discharge. Perfect for dual battery setups, house and starter bank separation, or auxiliary power systems, these isolators ensure your critical circuits stay powered when you need them most. Designed for the marine environment with corrosion-resistant materials and robust construction, they're a smart upgrade for safer, more efficient power distribution on board.
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-$146.04 USD
Vendor:ProMarinerProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]
Regular price $176.95 USDRegular price$322.99 USD-$146.04 USD Sale price $176.95 USD -
-$90.15 USD
Vendor:Newmar PowerNewmar GI-60-FS Galvanic Isolator 60A Fail Safe [GI-60-FS]
Regular price $334.95 USDRegular price$425.10 USD-$90.15 USD Sale price $334.95 USD -
-$132.04 USD
Vendor:ProMarinerProMariner ProIsoCharge Battery Isolator 180Amp 1-Alt 2-Bat - 12V [23122]
Regular price $157.95 USDRegular price$289.99 USD-$132.04 USD Sale price $157.95 USD -
-$42.26 USD
Vendor:Newmar PowerNewmar 1-2-120 Battery Isolator [1-2-120]
Regular price $204.95 USDRegular price$247.21 USD-$42.26 USD Sale price $204.95 USD -
-$350.04 USD
Vendor:MastervoltMastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]
Regular price $443.95 USDRegular price$793.99 USD-$350.04 USD Sale price $443.95 USD -
-$325.04 USD
Vendor:MastervoltMastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]
Regular price $410.95 USDRegular price$735.99 USD-$325.04 USD Sale price $410.95 USD -
-$80.04 USD
Vendor:ProMarinerProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]
Regular price $96.95 USDRegular price$176.99 USD-$80.04 USD Sale price $96.95 USD -
-$113.04 USD
Vendor:ProMarinerProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]
Regular price $135.95 USDRegular price$248.99 USD-$113.04 USD Sale price $135.95 USD -
-$173.04 USD
Vendor:ProMarinerProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]
Regular price $207.95 USDRegular price$380.99 USD-$173.04 USD Sale price $207.95 USD -
-$148.04 USD
Vendor:ProMarinerProMariner ProIsoCharge Battery Isolator 250Amp 1-Alt 2-Bat - 12V [23123]
Regular price $179.95 USDRegular price$327.99 USD-$148.04 USD Sale price $179.95 USD -
-$68.42 USD
Vendor:Newmar PowerNewmar GI-30-FS Galvanic Isolator 30A Fail Safe [GI-30-FS]
Regular price $254.95 USDRegular price$323.37 USD-$68.42 USD Sale price $254.95 USD -
-$290.04 USD
Vendor:MastervoltMastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]
Regular price $366.95 USDRegular price$656.99 USD-$290.04 USD Sale price $366.95 USD -
-$21.15 USD
Vendor:Victron EnergyVictron ArgoFET 200-2 Battery Isolator - 200AMP - 1 Alternator, 2 Batteries [ARG200201020R]
Regular price $119.85 USDRegular price$141.00 USD-$21.15 USD Sale price $119.85 USD -
-$272.04 USD
Vendor:ProMarinerProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]
Regular price $298.95 USDRegular price$570.99 USD-$272.04 USD Sale price $298.95 USD -
-$336.04 USD
Vendor:ProMarinerProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]
Regular price $403.95 USDRegular price$739.99 USD-$336.04 USD Sale price $403.95 USD -
-$110.14 USD
Vendor:Newmar PowerNewmar 1-3-165 Battery Isolator [1-3-165]
Regular price $349.95 USDRegular price$460.09 USD-$110.14 USD Sale price $349.95 USD