![ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/1280x1280/products/41520/55072/102172XL__96143.1699995827.jpg?c=2 "ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]")
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)
Toll free: 1.800.270.3797
Hour: 9-5 pm ET
![ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/41519/55071/102171XL__46362.1699995824.jpg?c=2 "ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]")
![ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/41517/55069/102169XL__77731.1699995820.jpg?c=2 "ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]")
![ProMariner Battery Isolator - 1 Alternator - 3 Battery - 70 AMP [11073]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/41518/55070/102170XL__95999.1699995822.jpg?c=2 "ProMariner Battery Isolator - 1 Alternator - 3 Battery - 70 AMP [11073]")