![Dual Pro SS4 Auto 4 Bank Battery Charger w/3 Bank B.O.S. [SS4AUTO/BOS12V3] Brand_Iris Innovations allows sharing of sonar](https://cdn.shopify.com/s/files/1/0405/8454/4408/files/104789XL.jpg?v=1720730156)
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allows sharing of sonar
A simple corded adaptor to fit your BB3500 or BB7000 lithium batteries
Dual Pro SS4 Auto 4 Bank Battery Charger w/3 Bank B.O.S. [SS4AUTO/BOS12V3] Brand_Iris Innovations allows sharing of sonarSS4 Auto 4 Bank Battery Charger with 3 Bank B. O. S. This kit combines Dual Pros B. O. S. Battery Optimization System 12V 3 Bank (PN: BOS12V3) and Dual Pros SS4 Auto 40A 4 Bank Lithium AGM Battery Charger (PN: SS4AUTO). B. 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
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