Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Outdoor | Weather Instruments with over fifty years of

with over fifty years of experience in designing and manufacturing sound devices specifically for use in harsh marine environments

Built-in Wi-Fi® connectivity pairs with the free all-in-one mobile app for access to the OneChart™ feature

Waterproof to IPx7 and suitable for external mounting on steel hulled vessels

Isolates electronics from harmful electrical surges from starter motors

B - 125mm (4-15/16")

Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Outdoor | Weather Instruments with over fifty years ofB. O. S. (Battery Optimization System) 12V 3 Bank B. O. S. actively shuttles energy between batteries to keep the pack balanced, increasing battery strength and longevity. Batteries in a pack will become out of balance and the pack is only as good as its weakest link. In watercraft applications, this is further compounded when the trolling motor battery is used for peripherals and or to assist the cranking battery. B. O. S. actively shuttles energy as