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Wiring to charge a paralell system

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  • Wiring to charge a paralell system

    I have a 12v motorguide wireless salt water series SW55 (55 lb thrust). I want to charge two batteries as I am running my motor. I have a 2000 60hp Yamaha. It throws 13.86v on idle.

    I know you can run 2 12v batteries parallel, but can you charge two batteries hooked up parallel with the motor? Here is my "drawing".

    Boat is 18 foot. From motor to first battery would be 7 foot. From battery two to the *****ing motor would be about 7 foot.

    Can I charge both batteries with jumpers?

    Should I just switch batteries one back to motor after it runs down?


  • #2
    Seems I found some info. I can share. Yes, you can charge a parallel system

    Charging a *****ing battery from your outboard.

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    • #3
      Battery switch ?

      Do you have a battery switch installed? Just run it in "Both" to charge both. Pretty easy fix.



      - Mike

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