Battery Isolators

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 alternator, 2 batteries, and 70A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt...

BI-0702 Battery Isolator - 70A - 1 Alternator, 2 BatteryThe Arco Marine BI-0702 is an inboard/outboard battery isolator that can handle 1 alternator, 2 batteries, and 70A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative...

BI-1202 Battery Isolator - 120A - 1 Alternator, 2 BatteryThe Arco Marine BI-1202 is an inboard/outboard battery isolator that can handle 1 alternator, 2 batteries, and 120A max—rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt...

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 from 10 amps to 70 amps. Owner's Manual (pdf)

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. These currents can cause corrosion to the boat’s...

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 output battery charger), without connecting the...

Argo FET Battery Isolator 200-3 3 Batteries - 200AMPSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output battery charger), without connecting the batteries...

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 battery charger), without connecting the batteries together...

Argo FET Battery Isolator - 100AMP - 2 BatteriesSimilarly to diode battery isolators, FET isolators allow simultaneous charging of two or more batteries from one alternator (or a single output battery charger), without connecting the batteries together...

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. Discharging the accessory battery for example will not result...

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, ensuring the starting battery is always charged and ready...