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Latest Testimonials

  Dear Dennis,  I wanted to send you a note to say happy holidays and thanks for selling me on the idea of using your new battery isolators. My little shop is now installing about 10 of these a month on both new and older model boats. I can honestly tell you I disliked using […]

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Here are the 5 Most Common Inferior Ways to Use Dual Batteries

Install a second battery to run the plow all by itself.  This method does not connect the secondary battery to any charging source and requires it be connected to a land charger when the vehicle is parked to recharge the battery.  Several problems arise when this method is used. The battery can and will run […]