![ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/1280x1280/products/69852/120253/102172XL__57024.1699996893.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-2vfwgyus8b/images/stencil/500x659/products/69852/120253/102172XL__57024.1699996893.jpg?c=1 "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)
- MPN:
- 12073
![ProMariner Battery Isolator - 2 Alternator - 2 Battery - 70 AMP [12072]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/69851/120252/102171XL__81812.1699996890.jpg?c=1 "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-2vfwgyus8b/images/stencil/500x659/products/36416/74594/33333XL__66184.1642015290.jpg?c=1 "ProMariner Battery Isolator - 1 Alternator - 3 Battery - 70 Amp [01-70-3]")