Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2] Cartography | Navionics Platinum Plus Transducer safe - Airmar certifies

Transducer safe - Airmar certifies that Foulfree™ coating on its transducers results in no loss in transducer performance

Rinse pump integrated into unit for compact design

Hella Marine NaviLED products are the leaders in the marine navigation signal lighting industry

The cape-style design has four adjustment points to ensure a secure fit on every dog

Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2] Cartography | Navionics Platinum Plus Transducer safe - Airmar certifiesRS4 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