Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2] Brand_Lewmar CPT-S 0° plastic is perfect

CPT-S 0° plastic is perfect for a sailboat application

Powder coated aluminum heat sink case

Bailer with easy-grip handle

161115            Impeller

Anti-Air Lock Feature

Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2] Brand_Lewmar CPT-S 0° plastic is perfectRS4 4 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 RealPRO Series Battery Charger 24A 4 Bank (PN: RS4). 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 only as good as