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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Vendor:Victron Energy
Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]
Regular price $305.15 USDRegular price$359.00 USD-$53.85 USD Sale price $305.15 USD -
Vendor:Victron Energy
Victron Argo FET Battery Isolator 200-3 3 Batteries - 200AMP [ARG200301020]
Regular price $140.25 USDRegular price$165.00 USD-$24.75 USD Sale price $140.25 USD -
Vendor:Analytic Systems
Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator [IBI3-40-200]
Regular price $333.95 USDRegular price$339.00 USD-$5.05 USD Sale price $333.95 USD -
Vendor:Victron Energy
Victron ArgoFET Battery Isolator - 100AMP - 2 Batteries [ARG100201020]
Regular price $100.30 USDRegular price$118.00 USD-$17.70 USD Sale price $100.30 USD -
Vendor:Victron Energy
Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries [ARG160201020]
Regular price $90.10 USDRegular price$106.00 USD-$15.90 USD Sale price $90.10 USD -
Vendor:Sea-Dog
Sea-Dog Smart Dual Battery Isolator [422790-1]
Regular price $54.95 USDRegular price$85.95 USD-$31.00 USD Sale price $54.95 USD -
Vendor:Mastervolt
Mastervolt 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 -
Vendor:ProMariner
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]
Regular price $138.95 USDRegular price$252.99 USD-$114.04 USD Sale price $138.95 USD -
Vendor:ProMariner
ProMariner ProIsoCharge Battery Isolator 130Amp 2-Alt 4-Bat - 12V [23127]
Regular price $273.95 USDRegular price$500.99 USD-$227.04 USD Sale price $273.95 USD -
Vendor:ProMariner
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]
Regular price $148.95 USDRegular price$271.99 USD-$123.04 USD Sale price $148.95 USD -
Vendor:ProMariner
ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator [22074]
Regular price $401.95 USDRegular price$761.99 USD-$360.04 USD Sale price $401.95 USD