ProMar1 incorporates solid state and fully automatic technology that eliminates the need to use portable battery chargers for charging each battery on-board one at a time. Our compact design is lightweight and pre-wired for quick and easy installation. Mount it, plug it in and forget about it. The ProMar1 assortment is ProMariner's Recreational Grade boating and fishing series, designed to deliver years of automatic charging and conditioning performance with moderate charge times featuring a built-in safe maintenance mode for long or short term storage. Safe for Lead Acid or GEL batteries with features that include; 100% waterproof design, expanded LED Power and Charge status indicators, shock resistant durable molded case, and dual inline battery bank safety fuses for all 2 and 3 bank models. Other built-in safety features include over temperature, reverse polarity, and ignition protection. ProMar1 incorporates solid state and fully automatic technology that eliminates the need to use p Our compact design is lightweight and pre-wired for quick and easy installation Mount it, plug it in and forget about it The ProMar1 assortment is ProMariner's Recreational Grade boating and fishing series, designed t Safe for Lead Acid or GEL batteries with features that include; 100% waterproof design, expanded