Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Brand_Uniden UPC: 091887974171

UPC: 091887974171

Installs with three #6 mounting fasteners (not included)

Remote status LED output option

Automatically combines battery banks during the charging cycle and isolates under discharge

Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Brand_Uniden UPC: 091887974171B. 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