Battery Isolators

BI-1603 Battery Isolator for 10-350A Alternators on 12, 24 or 32V Negative Ground SystemsThe 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...

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)

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

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...

ProSafe FAILSAFE 30amp Galvanic IsolatorProSafe FS installs easily and does not require a dedicated monitor to verify the operational status of the galvanic isolator as required by non FailSafe Certified galvanic isolators.ProSafe FS 30 is built on...

BI-3202 Battery Isolator for 10-350A Alternators on 12, 24 or 32V Negative Ground SystemsThe Arco Marine BI-3202 is an inboard/outboard battery isolator that can handle 2 alternators, 2 batteries, and 120A max. Rated for use with 10 to 350-amp...

ProIsoCharge SeriesModel ProIsoCharge130 2•4 Part No. 23127 System Volts DC 12Max DC Amps 130 AmpAlternator Input2Battery Outputs 4Size12.05"(l) x 5.875"(w) x 3.125"(h) Weight7 lbsSignificantly Smarter...ProIsoCharge delivers digitally controlled...

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