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Battery Isolators
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Not all products shown online are stocked at our retail location. Many items may be available from our warehouse or suppliers and can be ordered for you. Availability and shipping times vary.
If calling to check availability or price, please have the manufacturer's part number (MPN) ready. We are unable to search our product database by description alone.
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![ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/32815/44858/102171XL__92504.1699992564.jpg?c=1 "ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]")
ProMariner
ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]
Battery Isolator - 2 Alternator - 2 Battery - 70 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging...
![ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/32813/44856/102169XL__97350.1699992558.jpg?c=1 "ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]")
ProMariner
ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]
Battery Isolator - 1 Alternator - 2 Battery - 70 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging...
![Victron Galvanic Isolator VDI-16A, 16 AMP Max Waterproof Potted [GDI000016000]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/30270/40187/98884XL__79336.1680664444.jpg?c=1 "Victron Galvanic Isolator VDI-16A, 16 AMP Max Waterproof Potted [GDI000016000]")
Victron Energy
Victron Galvanic Isolator VDI-16A, 16 AMP Max Waterproof Potted [GDI000016000]
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 earth wire...
![Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP [ARG100301020R]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/28518/37386/96504XL__55940.1678023875.jpg?c=1 "Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP [ARG100301020R]")
Victron Energy
Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP [ARG100301020R]
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 a single...
![Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/21331/27042/85483XL__22479.1678004692.jpg?c=1 "Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]")
Victron Energy
Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]
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 earth wire...
![Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/21329/27039/85481XL__49952.1678004688.jpg?c=1 "Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]")
Victron Energy
Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]
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 earth wire...
![Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator [IBI3-40-200]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/20485/25771/83579XL__79000.1678002331.jpg?c=1 "Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator [IBI3-40-200]")
Analytic Systems
Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator [IBI3-40-200]
200A, 40V 3-Bank Ideal Battery IsolatorFeatures:Waterproof Expoxy Sealed ConstructionEasy ConnectionMost Efficient use of Available Alternator OutputMaximize Battery PerformanceThree year parts and...
![Victron Argo FET Battery Isolator - 200AMP - 2 Batteries [ARG200201020R]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/20060/25211/82891XL__30008.1678001232.jpg?c=1 "Victron Argo FET Battery Isolator - 200AMP - 2 Batteries [ARG200201020R]")
Victron Energy
Victron Argo FET Battery Isolator - 200AMP - 2 Batteries [ARG200201020R]
Argo FET Battery Isolator - 200AMP - 2 BatteriesSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output...
![Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries [ARG160201020]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/20058/25208/82889XL__50366.1678001227.jpg?c=1 "Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries [ARG160201020]")
Victron Energy
Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries [ARG160201020]
Argo Diode Battery Isolator - 160AMP - 2 BatteriesDiode battery isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries together...
![Sea-Dog Smart Dual Battery Isolator [422790-1]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/18619/23342/80085XL__03440.1677997586.jpg?c=1 "Sea-Dog Smart Dual Battery Isolator [422790-1]")
Sea-Dog
Sea-Dog Smart Dual Battery Isolator [422790-1]
Smart Dual Battery IsolatorThis Smart Dual Battery Isolator is ideal for dual battery applications. Allows two batteries to automatically charge at the same time and then isolates the batteries,...
![Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/12389/15446/67244XL__77547.1677981905.jpg?c=1 "Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]")
Samlex America
Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]
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 only the starter battery...
![Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/7776/10004/54857XL__73512.1677970635.jpg?c=1 "Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]")
Mastervolt
Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]
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 type of alternator/battery charger,...
![Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/7775/10002/54856XL__91158.1677970631.jpg?c=1 "Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]")
Mastervolt
Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]
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 type of alternator/battery charger,...
![Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/7774/10000/54855XL__76265.1677970628.jpg?c=1 "Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]")
Mastervolt
Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]
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 type of alternator/battery charger,...
![ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/3852/4620/41452XL__72208.1677880989.jpg?c=1 "ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]")
ProMariner
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]
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...
![ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/3850/4618/41450XL__28552.1677880983.jpg?c=1 "ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]")
ProMariner
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]
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...
![ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator [22074]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/2236/2728/33331XL__89076.1677875600.jpg?c=1 "ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator [22074]")
ProMariner
ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator [22074]
ProSafe FAILSAFE 60amp Galvanic IsolatorProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of the galvanic isolator as required by non FailSafe...
![ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]](https://cdn11.bigcommerce.com/s-ge8sirtax0/images/stencil/230x230/products/2235/2727/33330XL__04850.1677875597.jpg?c=1 "ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]")
ProMariner
ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]
ProSafe FAILSAFE 30amp Galvanic IsolatorProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of the galvanic isolator as required by non FailSafe...