Dual Pro B.O.S. Battery Optimization System - 12V - 2-Bank [BOS12V2] Marine Plumbing & Ventilation | Tools Biodegradable oil should be used

Biodegradable oil should be used only after motor pump is mounted to boat in vertical position

Certification: EMC Approved

double socket arm and round adapter base that attaches directly to the back of the Garmin echo

Upgrade to the 316-grade stainless steel model for unrivaled protection against rusting

000lb (907kg)

Dual Pro B.O.S. Battery Optimization System - 12V - 2-Bank [BOS12V2] Marine Plumbing & Ventilation | Tools Biodegradable oil should be usedB. O. S. Battery Optimization System 12V 2 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