ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]

Battery Isolator - 1 Alternator - 2 Battery - 70 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 70 amps. Owner's Manual (pdf)