![Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Outdoor | Weather Instruments Navionics® advanced dock-to-dock route guidance](https://cdn.shopify.com/s/files/1/0499/1942/6726/files/80777XL.jpg?v=1691901256)
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Navionics® advanced dock-to-dock route guidance technology uses your boat settings
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
When the voltage on the charged bank rises sufficiently
Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Outdoor | Weather Instruments Navionics® advanced dock-to-dock route guidanceB. 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
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