Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Brand_Monarch Marine Sensors Included: 3

Sensors Included: 3

Gauge: 2 AWG

For use with Vantage Pro and Vantage Pro2

Long Life: Up to 50

Child Vest

Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Brand_Monarch Marine Sensors Included: 3B. 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