Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] MAP after use and short use

after use and short use plus a trimmer to regulate the flow rate

Ideal for use as control lines

Whale's high performance lightweight model

and (diagram label 1) two blades utilize an offshore style design for high speed and maximum stern lift

(* not allowed on Euro 5/6 engines)

Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] MAP after use and short useB. 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