![Dual Pro SS3 3 Bank Battery Charger w/2 Bank B.O.S. [SS3/BOS12V2] Trailering (5) 3700 StowAway® Utility Boxes](https://cdn.shopify.com/s/files/1/0499/1942/6726/files/104781XL.jpg?v=1720744529)
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(5) 3700 StowAway® Utility Boxes
Stand up spring keeps block upright when not in use
auxiliary civil services
GPSMAP 378
Dual Pro SS3 3 Bank Battery Charger w/2 Bank B.O.S. [SS3/BOS12V2] Trailering (5) 3700 StowAway® Utility BoxesSS3 3 Bank Battery Charger with 2 Bank B. O. S. This kit includes Dual Pros B. O. S. Battery Optimization System 12V 2 Bank (PN: BOS12V2) and Dual Pros Sportsman Series Battery Charger 30A 3 10A Banks 12V 36V (PN: SS3). B. 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
