![ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/600x600/products/53829/72753/102172XL__76920.1700021070.jpg?c=2 "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-6g54mu6qkm/images/stencil/1280x1280/products/53829/72753/102172XL__76920.1700021070.jpg?c=2 "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-6g54mu6qkm/images/stencil/500x659/products/53828/72752/102171XL__98937.1700021068.jpg?c=2 "ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]")
![ProMariner Battery Isolator - 1 Alternator - 3 Battery - 70 Amp [01-70-3]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/500x659/products/3281/4060/33333XL__41557.1529953197.jpg?c=2 "ProMariner Battery Isolator - 1 Alternator - 3 Battery - 70 Amp [01-70-3]")