ProMariner Battery Isolators

If you want to ensure your engine starts after being at anchor, you may want to consider adding a battery isolator to your system. Battery isolators are used in conjunction with battery chargers to maintain your start battery while you use your house battery bank to power auxiliary items like refrigeration or lights – saving your engine battery solely for starting the engine. A ProMariner battery isolator comes with gold-plated terminals and improved efficiency, provide enhanced charging to keep that start battery topped up. Shop for your Professional Mariner 2-battery isolator now, or to see our complete offering of ProMariner products, click here.