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

Battery Isolator - 2 Alternator - 2 Battery - 130 AMP ProMariner 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)