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Battery Isolators

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Battery Isolators

Shop our complete selection of Battery Isolators at High Tide Supply — your trusted source for reliable power management aboard your vessel. We carry premium battery isolators from Optima, Odyssey, Lifeline, and Battle Born, hand-selected by our marine electronics specialists for performance and reliability.

ABYC-compliant components designed for harsh marine environments. High Tide Supply offers fast US shipping, competitive pricing, and expert pre-sale support to help you choose the right battery isolators for your vessel. Questions? Call us at (727) 201-2479 or browse our full catalog below.

37 products
Samlex ACR300 Automatic Charge Separator 300 AMP ACR300 Sale
Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]
$363.50 $290.80
Victron Argodiode Battery Isolator 1803AC 3 Batteries 180A ARG180301020 Sale
Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A [ARG180301020]
$129.00 $109.65
Victron Argodiode Battery Isolator 1403AC 3 Batteries 140A ARG140301020R Sale
Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]
$112.00 $95.20
Victron Argodiode Battery Isolator 802SC 2 Batteries 80A ARG080202000 Sale
Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A [ARG080202000]
$46.00 $39.10
Victron Argodiode Battery Isolator 802AC 2 Batteries 80A ARG080201000 Sale
Victron Argodiode Battery Isolator 80-2AC - 2 Batteries - 80A [ARG080201000]
$59.00 $50.15
Newmar GI60FS Galvanic Isolator 60A Fail Safe GI60FS
Newmar GI-60-FS Galvanic Isolator 60A Fail Safe [GI-60-FS]
$426.00
Newmar GI30FS Galvanic Isolator 30A Fail Safe GI30FS
Newmar GI-30-FS Galvanic Isolator 30A Fail Safe [GI-30-FS]
$324.00
Newmar 2370 Battery Isolator 2370
Newmar 2-3-70 Battery Isolator [2-3-70]
$365.00
Newmar 13165 Battery Isolator 13165
Newmar 1-3-165 Battery Isolator [1-3-165]
$473.00
Newmar 1370 Battery Isolator 1370
Newmar 1-3-70 Battery Isolator [1-3-70]
$283.00
Newmar 23120 Battery Isolator 23120
Newmar 2-3-120 Battery Isolator [2-3-120]
$653.00
Newmar 12120 Battery Isolator 12120
Newmar 1-2-120 Battery Isolator [1-2-120]
$255.00
ProMariner Battery Isolator 130 AMP 2 Alternator 3 Battery 12133
ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]
$658.99
ProMariner Battery Isolator 130 AMP 2 Alternator 2 Battery 12132
ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]
$454.99
ProMariner Battery Isolator 130 AMP 1 Alternator 3 Battery 11133
ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]
$289.99
ProMariner Battery Isolator 130 AMP 1 Alternator 2 Battery 11132
ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]
$221.99
ProMariner Battery Isolator 2 Alternator 3 Battery 70 AMP 12073
ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]
$340.99
ProMariner Battery Isolator 2 Alternator 2 Battery 70 AMP 12072
ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]
$272.99
ProMariner Battery Isolator 1 Alternator 2 Battery 70 AMP 11072
ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]
$158.99
Victron Galvanic Isolator VDI16A 16 AMP Max Waterproof Potted GDI000016000 Sale
Victron Galvanic Isolator VDI-16A, 16 AMP Max Waterproof Potted [GDI000016000]
$129.00 $109.65
Victron Argofet Battery Isolator 1003 3 Batteries 100AMP ARG100301020R Sale
Victron Argofet Battery Isolator 100-3 3 Batteries - 100AMP [ARG100301020R]
$135.00 $114.75
Victron Galvanic Isolator VDI64A 64A Max Waterproof Potted GDI000064000 Sale
Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]
$359.00 $305.15
Victron Galvanic Isolator VDI32A 32A Max Waterproof Potted GDI000032000 Sale
Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]
$293.00 $249.05
Victron Argo FET Battery Isolator 2003 3 Batteries 200AMP ARG200301020 Sale
Victron Argo FET Battery Isolator 200-3 3 Batteries - 200AMP [ARG200301020]
$165.00 $140.25