Battery Isolators

View our list of the best brands of Battery Isolators and then purchase your marine battery Isolator at discount prices from CE Marine.

We offer flat rate shipping and can help you locate hard to find items or we can recommend alternatives.

Call us today at 1-414-254-1559 for personalized service and help locating/replacing hard to marine battery isolators.

Victron Argodiode Battery Isolator 802SC  2 Batteries  80A ARG080202000
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$46.00
$39.10

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

Victron Energy

Argodiode Battery Isolator 80-2SC - 2 Batteries - 80AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one alt...

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$46.00
$39.10
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Victron Argodiode Battery Isolator 802AC  2 Batteries  80A ARG080201000
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$59.00
$50.15

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

Victron Energy

Argodiode Battery Isolator 80-2AC - 2 Batteries - 80AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one alt...

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$59.00
$50.15
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Victron Argodiode Battery Isolator 1403AC  3 Batteries  140A ARG140301020R
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$112.00
$95.20

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

Victron Energy

Argodiode Battery Isolator 140-3AC - 3 Batteries - 140AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one a...

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$112.00
$95.20
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Victron Argodiode Battery Isolator 1803AC  3 Batteries  180A ARG180301020
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$129.00
$109.65

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

Victron Energy

Argodiode Battery Isolator 180-3AC - 3 Batteries - 180AArgodiode Battery Isolators allow simultaneous charging of two or more batteries from one a...

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$129.00
$109.65
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Victron Galvanic Isolator VDI16A 16 AMP Max Waterproof Potted GDI000016000
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$129.00
$109.65

Victron Galvanic Isolator VDI-16A, 16 AMP Max Waterproof Potted [GDI000016000]

Victron Energy

Galvanic Isolator VDI-16A, 16 AMP Max Waterproof PottedThe galvanic isolator prevents electrolytic corrosion. It blocks low-voltage DC currents th...

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$129.00
$109.65
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Victron Argofet Battery Isolator 1003 3 Batteries  100AMP ARG100301020R
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$135.00
$114.75

Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP [ARG100301020R]

Victron Energy

Argofet Battery Isolator 100-3 3 Batteries - 100AMPSimilarly to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two ...

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$135.00
$114.75
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Victron ArgoFET 2002 Battery Isolator  200AMP  1 Alternator 2 Batteries ARG200201020R
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$141.00
$119.85

Victron ArgoFET 200-2 Battery Isolator - 200AMP - 1 Alternator, 2 Batteries [ARG200201020R]

Victron Energy

Argo FET Battery Isolator - 200AMP - 2 BatteriesSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more bat...

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$141.00
$119.85
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Victron Galvanic Isolator VDI32A 32A Max Waterproof Potted GDI000032000
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$293.00
$249.05

Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]

Victron Energy

Galvonic Isolator VDI-32A 32A Max Waterproof (Potted)The galvanic isolator prevents electrolytic corrosion. It blocks low voltage DC currents that...

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$293.00
$249.05
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ProMariner Battery Isolator  2 Alternator  3 Battery  70 AMP 12073
Save 41%
$380.99
$224.99

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

ProMariner

Battery Isolator - 2 Alternator - 3 Battery - 70 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhan...

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$380.99
$224.99
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Newmar GI30FS Galvanic Isolator 30A Fail Safe GI30FS
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$324.00
$275.99

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

Newmar Power

GI-30-FS Galvanic Isolator 30A Fail SafeInstalling the Galvanic Isolator between the AC safety ground and DC bonding system blocks most of the low...

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$324.00
$275.99
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ProMariner Battery Isolator  130 AMP  1 Alternator  3 Battery 11133
Save 41%
$322.99
$190.99

ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]

ProMariner

Battery Isolator - 1 Alternator - 3 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enha...

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$322.99
$190.99
Save 41%
Newmar GI60FS Galvanic Isolator 60A Fail Safe GI60FS
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$426.00
$362.99

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

Newmar Power

GI-60-FS Galvanic Isolator 60A Fail SafeInstalling the Galvanic Isolator between the AC safety ground and DC bonding system blocks most of the low...

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$426.00
$362.99
Save 15%
ARCO Marine BI07024 Battery Isolator  70A  1 Alternator 2 Battery BI07024
Save 28%
$108.80
$77.99

ARCO Marine BI-0702-4 Battery Isolator - 70A - 1 Alternator, 2 Battery [BI-0702-4]

ARCO Marine

BI-0702-4 Battery Isolator - 70A - 1 Alternator, 2 BatteryThe Arco Marine BI-0702-4 is an inboard/outboard battery isolator that can handle 1 alte...

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$108.80
$77.99
Save 28%
ARCO Marine BI12033A Battery Isolator  120A  1 Alternator 3 Battery BI12033A
Save 26%
$256.55
$188.99

ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A]

ARCO Marine

BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 BatteryThe Arco Marine BI-1203-3A is an inboard/outboard battery isolator that can handle 1 a...

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$256.55
$188.99
Save 26%
Newmar 23120 Battery Isolator 23120
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$653.00
$553.99

Newmar 2-3-120 Battery Isolator [2-3-120]

Newmar Power

2-3-120 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the dis...

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$653.00
$553.99
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Newmar 13165 Battery Isolator 13165
Save 13%
$473.00
$410.99

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

Newmar Power

1-3-165 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the dis...

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$473.00
$410.99
Save 13%
ProMariner Battery Isolator  130 AMP  1 Alternator  2 Battery 11132
Save 41%
$248.99
$146.99

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

ProMariner

Battery Isolator - 1 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enha...

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$248.99
$146.99
Save 41%
Newmar 2370 Battery Isolator 2370
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$365.00
$309.99

Newmar 2-3-70 Battery Isolator [2-3-70]

Newmar Power

2-3-70 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the disc...

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$365.00
$309.99
Save 15%
Newmar 1370 Battery Isolator 1370
Save 18%
$283.00
$232.99

Newmar 1-3-70 Battery Isolator [1-3-70]

Newmar Power

1-3-70 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the disc...

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$283.00
$232.99
Save 18%
ProMariner Battery Isolator  2 Alternator  2 Battery  70 AMP 12072
Save 41%
$306.99
$181.99

ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]

ProMariner

Battery Isolator - 2 Alternator - 2 Battery - 70 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhan...

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$306.99
$181.99
Save 41%
ProMariner Battery Isolator  130 AMP  2 Alternator  2 Battery 12132
Save 41%
$510.99
$301.99

ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]

ProMariner

Battery Isolator - 2 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enha...

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$510.99
$301.99
Save 41%
ProMariner Battery Isolator  1 Alternator  2 Battery  70 AMP 11072
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$176.99
$104.99

ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]

ProMariner

Battery Isolator - 1 Alternator - 2 Battery - 70 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhan...

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$176.99
$104.99
Save 41%
ProMariner Battery Isolator  130 AMP  2 Alternator  3 Battery 12133
Save 41%
$739.99
$437.99

ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]

ProMariner

Battery Isolator - 2 Alternator - 3 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enha...

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$739.99
$437.99
Save 41%
Victron Galvanic Isolator VDI64A 64A Max Waterproof Potted GDI000064000
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$359.00
$305.15

Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]

Victron Energy

Galvanic Isolator VDI-64A 64A Max Waterproof (Potted)The galvanic isolator prevents electrolytic corrosion. It blocks low voltage DC currents that...

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$359.00
$305.15
Save 15%
Victron Argo FET Battery Isolator 2003 3 Batteries  200AMP ARG200301020
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$165.00
$140.25

Victron Argo FET Battery Isolator 200-3 3 Batteries - 200AMP [ARG200301020]

Victron Energy

Argo FET Battery Isolator 200-3 3 Batteries - 200AMPSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more...

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$165.00
$140.25
Save 15%
Analytic Systems 200A 40V 3Bank Ideal Battery Isolator IBI340200
$339.00

Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator [IBI3-40-200]

Analytic Systems

200A, 40V 3-Bank Ideal Battery IsolatorFeatures: Waterproof Expoxy Sealed Construction Easy Connection Most Efficient use of Available Alternator ...

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$339.00
Victron Argo Diode Battery Isolator  160AMP  2 Batteries ARG160201020
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$106.00
$90.10

Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries [ARG160201020]

Victron Energy

Argo Diode Battery Isolator - 160AMP - 2 BatteriesDiode battery isolators allow simultaneous charging of two or more batteries from one alternator...

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$106.00
$90.10
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Victron ArgoFET Battery Isolator  100AMP  2 Batteries ARG100201020
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$118.00
$100.30

Victron ArgoFET Battery Isolator - 100AMP - 2 Batteries [ARG100201020]

Victron Energy

Argo FET Battery Isolator - 100AMP - 2 BatteriesSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more bat...

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$118.00
$100.30
Save 15%
Mastervolt Battery Mate 2503 IG Isolator  200 Amp 3 Bank 83125035
Save 39%
$793.99
$480.99

Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]

Mastervolt

Battery Mate 2503 IG Isolator - 200 Amp, 3 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is comp...

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$793.99
$480.99
Save 39%
Mastervolt Battery Mate 1603 IG Isolator  120A 3 Bank 83116035
Save 39%
$735.99
$445.99

Mastervolt Battery Mate 1603 IG Isolator - 120A, 3 Bank [83116035]

Mastervolt

Battery Mate 1603 IG Isolator - 120 Amp, 3 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is comp...

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$735.99
$445.99
Save 39%
Mastervolt Battery Mate 1602 IG Isolator  120 Amp 2 Bank 83116025
Save 39%
$656.99
$397.99

Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]

Mastervolt

Battery Mate 1602 IG Isolator - 120 Amp, 2 BankThe Battery Mate is the ultimate solution for charging several batteries simultaneously and is comp...

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$656.99
$397.99
Save 39%
ProMariner ProIsoCharge Battery Isolator 180Amp 1Alt 2Bat  12V 23122
Save 41%
$289.99
$171.99

ProMariner ProIsoCharge Battery Isolator 180Amp 1-Alt 2-Bat - 12V [23122]

ProMariner

ProIsoCharge SeriesModel ProIsoCharge180 1•2 Part No. 23122 System Volts DC 12Max DC Amps 180 AmpAlternator Input1Battery Outputs 2Size 6.15"(l) ...

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$289.99
$171.99
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ProMariner ProIsoCharge Battery Isolator 120Amp 1Alt 3Bat  12V 23124
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$271.99
$160.99

ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]

ProMariner

ProIsoCharge SeriesModel ProIsoCharge120 1•3 Part No. 23124 System Volts DC 12Max DC Amps 120 AmpAlternator Input1Battery Outputs 3Size 6.15"(l) ...

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$271.99
$160.99
Save 41%
ProMariner ProIsoCharge Battery Isolator 120Amp 1Alt 2Bat  12V 23121
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$252.99
$149.99

ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]

ProMariner

ProIsoCharge SeriesModelProIsoCharge120 1•2 Part No. 23121System Volts DC 12Max DC Amps 120 AmpAlternator Input1Battery Outputs 2Size 5.35"(...

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$252.99
$149.99
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ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator 22034
Save 43%
$570.99
$322.99

ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator [22034]

ProMariner

ProSafe FAILSAFE 30amp Galvanic IsolatorProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of th...

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$570.99
$322.99
Save 43%
ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator 22074
Save 43%
$761.99
$435.99

ProMariner ProSafe FAILSAFE 60amp Galvanic Isolator [22074]

ProMariner

ProSafe FAILSAFE 60amp Galvanic IsolatorProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of th...

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$761.99
$435.99
Save 43%

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