Battery Isolators

BI-1603 Battery Isolator - 160A - 1 Alternator, 3 BatteryThe Arco Marine BI-1603 is an inboard/outboard battery isolator that can handle 1 alternator, 3 batteries, and 160A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative...

BI-3203 Battery Isolator - 120A - 2 Alternator, 3 BatteryThe Arco Marine BI-3203 is an inboard/outboard battery isolator that can handle 2 alternators, 3 batteries, and 120A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt...

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-voltage currents and corrosive action seen on the vital metallic components in the saltwater. With the low...

2-3-70 Battery IsolatorThis 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 battery is charged according to its need...

1-3-165 Battery IsolatorThis 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 battery is charged according to its need...

1-3-70 Battery IsolatorThis 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 battery is charged according to its need...

2-3-120 Battery IsolatorThis 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 battery is charged according to its need...

1-2-120 Battery IsolatorThis 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. Each battery is charged according to its need...

Battery Isolator - 2 Alternator - 3 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 130 amps. Owner's Manual (pdf)

Battery Isolator - 2 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 130 amps. Owner's Manual (pdf)

Battery Isolator - 1 Alternator - 3 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 130 amps. Owner's Manual (pdf)

Battery Isolator - 1 Alternator - 2 Battery - 130 AMPProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 130 amps. Owner's Manual (pdf)