![Dual Pro SS4 4 Bank Battery Charger w/3 Bank B.O.S. [SS4/BOS12V3] Watersports | Air Pumps GT20-TM Transom Mount DownVü 500W](https://cdn.shopify.com/s/files/1/0721/9652/2136/files/104784XL.jpg?v=1759375933)
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
GT20-TM Transom Mount DownVü 500W (CHIRP 455/800kHz)
5A Weather Resistant Battery Charger
one-touch control pad
Includes six each of the new superior Cushion Cartridges
Rupp's Z-30 gear drive system
Dual Pro SS4 4 Bank Battery Charger w/3 Bank B.O.S. [SS4/BOS12V3] Watersports | Air Pumps GT20-TM Transom Mount DownVü 500WSS4 4 Bank Battery Charger with 3 Bank B. O. S. This kit includes Dual Pros B. O. S. (Battery Optimization System) 12V 3 Bank (PN: BOS12V3) and Dual Pros Sportsman Series Battery Charger 40A 4 10A Banks 12V 48V (PN: SS4). 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