![ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]](https://cdn11.bigcommerce.com/s-7fj9vl55dc/images/stencil/600x600/products/40078/50111/102172XL__41403.1700006368.jpg?c=1 "ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]")
![ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]](https://cdn11.bigcommerce.com/s-7fj9vl55dc/images/stencil/1280x1280/products/40078/50111/102172XL__41403.1700006368.jpg?c=1 "ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]")
Product Overview
Battery Isolator - 2 Alternator - 3 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)
![ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]](https://cdn11.bigcommerce.com/s-7fj9vl55dc/images/stencil/500x659/products/40077/50110/102171XL__24079.1700006366.jpg?c=1 "ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]")
![Promariner Battery Isolator - 1 Alternator - 2 Battery - 70 Amp [01-70-2]](https://cdn11.bigcommerce.com/s-7fj9vl55dc/images/stencil/500x659/products/11135/11733/33332XL__94652.1660768347.jpg?c=1 "Promariner Battery Isolator - 1 Alternator - 2 Battery - 70 Amp [01-70-2]")