![Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Outdoor | Weather Instruments Built-in Wi-Fi® connectivity pairs with](https://cdn.shopify.com/s/files/1/0499/1942/6726/files/80777XL.jpg?v=1691901256)
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Built-in Wi-Fi® connectivity pairs with the free all-in-one mobile app for access to the OneChart™ feature
Isolates electronics from harmful electrical surges from starter motors
B - 125mm (4-15/16")
Navionics® advanced dock-to-dock route guidance technology uses your boat settings
halyards and control line applications for cruising and racing
Dual Pro B.O.S. (Battery Optimization System) - 12V - 3-Bank [BOS12V3] Outdoor | Weather Instruments Built-in Wi-Fi® connectivity pairs withB. 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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