![Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2] Brand_Harken 5 liters) of water](https://cdn.shopify.com/s/files/1/0350/0497/3196/files/104778XL.jpg?v=1720737671)
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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
5 liters) of water
OIL 15 - Hydraulic oil - 2 quarts
8-32 X 3/4” OH machine screws (12)
Even parallel and 3-phase operations can be programmed with DIP switches: no computer is needed
Easy 2 Service
Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2] Brand_Harken 5 liters) of waterRS4 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
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