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Premium Marine Quality Parts

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

Battery Isolators, Victron Energy
$491.83
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. Thes... More Details

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

Battery Isolators, Victron Energy
$401.41
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. Thes... More Details

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

Battery Isolators, Victron Energy
$176.73
Galvanic Isolator VDI-16A, 16 AMP 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. Th... More Details

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Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP

Battery Isolators, Victron Energy
$184.95
Argofet Battery Isolator 100-3 3 Batteries - 100AMP Similarly to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or more batteries from one alternator (or a single ou... More Details

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Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A

Battery Isolators, Victron Energy
$63.02
Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Dischargin... More Details

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Victron Argodiode Battery Isolator 80-2AC - 2 Batteries - 80A

Battery Isolators, Victron Energy
$80.83
Argodiode Battery Isolator 80-2AC - 2 Batteries - 80A Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Dischargin... More Details

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Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A

Battery Isolators, Victron Energy
$176.73
Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharg... More Details

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Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A

Battery Isolators, Victron Energy
$153.44
Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharg... More Details

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Victron Argo FET Battery Isolator 200-3 3 Batteries - 200AMP

Battery Isolators, Victron Energy
$226.05
Argo FET Battery Isolator 200-3 3 Batteries - 200AMP Similarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output ba... More Details

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Victron Argo FET Battery Isolator 100-3 3 Batteries - 100AMP

Battery Isolators, Victron Energy
$184.95
Argo FET Battery Isolator 100-3 3 Batteries - 100AMP Similarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output ba... More Details

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Victron Argo FET Battery Isolator - 200AMP - 2 Batteries

Battery Isolators, Victron Energy
$193.17
Argo FET Battery Isolator - 200AMP - 2 Batteries Similarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output batter... More Details

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Victron Argo FET Battery Isolator - 100AMP - 2 Batteries

Battery Isolators, Victron Energy
$161.66
Argo FET Battery Isolator - 100AMP - 2 Batteries Similarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output batter... More Details

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Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries

Battery Isolators, Victron Energy
$145.22
Argo Diode Battery Isolator - 160AMP - 2 Batteries Diode battery isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries together. Discharg... More Details

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Sea-Dog Smart Dual Battery Isolator

Battery Isolators, Sea-Dog
$117.75
Smart Dual Battery Isolator This 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, ensu... More Details

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Samlex ACR-300 Automatic Charge Separator 300 AMP

Battery Isolators, Samlex America
$392.64
You save:
$98.09
ACR-300 Automatic Charge Separator 300 AMP The ACR-300 combines battery banks for charging and isolates them when charging has stopped. It provides priority for charging only the starter battery first... More Details

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Samlex 160A Automatic Charge Isolator - 12V or 24V

Battery Isolators, Samlex America
$218.93
You save:
$54.66
160A Automatic Charge Isolator - 12V or 24V The ACR-160 combines battery banks for charging and isolates them when charging has stopped. It provides priority for charging only the starter battery firs... More Details

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ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator

Battery Isolators, ProMariner
$1,043.93
ProSafe FAILSAFE 60amp Galvanic Isolator ProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of the galvanic isolator as required by non FailSafe Certi... More Details

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ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator

Battery Isolators, ProMariner
$782.26
ProSafe FAILSAFE 30amp Galvanic Isolator ProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of the galvanic isolator as required by non FailSafe Certi... More Details

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ProMariner ProIsoCharge Battery Isolator 250Amp 1-Alt 3-Bat - 12V

Battery Isolators, ProMariner
$546.62
ProIsoCharge Series Model ProIsoCharge250 1•3 Part No. 23126 System Volts DC 12 Max DC Amps 250 Amp Alternator Input1 Battery Outputs 3 Size 8.875"(l) x 5.875"(w) x 3.125"(h) Weight6 lbs Signific... More Details

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ProMariner ProIsoCharge Battery Isolator 180Amp 1-Alt 3-Bat - 12V

Battery Isolators, ProMariner
$609.64
ProIsoCharge Series Model ProIsoCharge180 1•3 Part No. 23125 System Volts DC 12 Max DC Amps 180 Amp Alternator Input1 Battery Outputs 3 Size 7.55"(l) x 5.875"(w) x 3.125"(h) Weight5 lbs Significa... More Details

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ProMariner ProIsoCharge Battery Isolator 180Amp 1-Alt 2-Bat - 12V

Battery Isolators, ProMariner
$397.29
ProIsoCharge Series Model ProIsoCharge180 1•2 Part No. 23122 System Volts DC 12 Max DC Amps 180 Amp Alternator Input1 Battery Outputs 2 Size 6.15"(l) x 5.875"(w) x 3.125"(h) Weight3 lbs Significa... More Details

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ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V

Battery Isolators, ProMariner
$372.63
ProIsoCharge Series Model ProIsoCharge120 1•3 Part No. 23124 System Volts DC 12 Max DC Amps 120 Amp Alternator Input1 Battery Outputs 3 Size 6.15"(l) x 5.875"(w) x 3.125"(h) Weight3 lbs Significa... More Details

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ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V

Battery Isolators, ProMariner
$346.60
ProIsoCharge Series ModelProIsoCharge120 1•2 Part No. 23121 System Volts DC 12 Max DC Amps 120 Amp Alternator Input1 Battery Outputs 2 Size 5.35"(l) x 5.875"(w) x 3.125"(h) Weight2 lbs Significan... More Details

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ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP

Battery Isolators, ProMariner
$521.96
Battery Isolator - 2 Alternator - 3 Battery - 70 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging f... More Details

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ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP

Battery Isolators, ProMariner
$420.58
Battery Isolator - 2 Alternator - 2 Battery - 70 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging f... More Details

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ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery

Battery Isolators, ProMariner
$1,013.79
Battery Isolator - 2 Alternator - 3 Battery - 130 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging ... More Details

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ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery

Battery Isolators, ProMariner
$700.06
Battery Isolator - 2 Alternator - 2 Battery - 130 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging ... More Details

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ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery

Battery Isolators, ProMariner
$442.50
Battery Isolator - 1 Alternator - 3 Battery - 130 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging ... More Details

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ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery

Battery Isolators, ProMariner
$341.12
Battery Isolator - 1 Alternator - 2 Battery - 130 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging ... More Details

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ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP

Battery Isolators, ProMariner
$242.48
Battery Isolator - 1 Alternator - 2 Battery - 70 AMP ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging f... More Details

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Newmar GI-60-FS Galvanic Isolator 60A Fail Safe

Battery Isolators, Newmar Power
$583.62
GI-60-FS Galvanic Isolator 60A Fail Safe Installing the Galvanic Isolator between the AC safety ground and DC bonding system blocks most of the low-voltage currents and corrosive action seen on the vi... More Details

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Newmar GI-30-FS Galvanic Isolator 30A Fail Safe

Battery Isolators, Newmar Power
$443.88
GI-30-FS Galvanic Isolator 30A Fail Safe Installing the Galvanic Isolator between the AC safety ground and DC bonding system blocks most of the low-voltage currents and corrosive action seen on the vi... More Details

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Newmar 2-3-70 Battery Isolator

Battery Isolators, Newmar Power
$500.05
2-3-70 Battery Isolator This heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each ... More Details

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Newmar 2-3-120 Battery Isolator

Battery Isolators, Newmar Power
$894.61
2-3-120 Battery Isolator This heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each... More Details

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Newmar 1-3-70 Battery Isolator

Battery Isolators, Newmar Power
$387.71
1-3-70 Battery Isolator This heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each ... More Details

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Newmar 1-3-165 Battery Isolator

Battery Isolators, Newmar Power
$648.01
1-3-165 Battery Isolator This heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each... More Details

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Newmar 1-2-120 Battery Isolator

Battery Isolators, Newmar Power
$349.35
1-2-120 Battery Isolator This heavy-duty isolator allows multiple batteries to charge automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Eac... More Details

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Mastervolt BI 1203-S Isolator

Battery Isolators, Mastervolt
$591.83
BI 1203-S Isolator Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24V consumers. These batteries require independent charging with reliabl... More Details

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Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank

Battery Isolators, Mastervolt
$1,087.77
Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, i... More Details

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Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank

Battery Isolators, Mastervolt
$1,008.31
Battery Mate 1603 IG Isolator - 120 Amp, 3 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, i... More Details

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Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank

Battery Isolators, Mastervolt
$900.08
Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator/battery charger, i... More Details

BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery The Arco Marine BI-1203-3A is an inboard/outboard battery isolator that can handle 1 alternator, 3 batteries, and 120A max. Rated for use w... More Details

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Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator

Battery Isolators, Analytic Systems
$464.43
200A, 40V 3-Bank Ideal Battery Isolator Features: Waterproof Expoxy Sealed Construction Easy Connection Most Efficient use of Available Alternator Output Maximize Battery Performance Three year parts ... More Details

Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.