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  1. #1
    Join Date
    May 2010
    Location
    Salt Lake City, Utah
    Posts
    1,114

    Default question about onboard battery charger

    So i have 2 batteries on my boat and an onboard battery charger like this one. I need to replace one of the batteries so i went to disconnect things and realized something strange. The charger has 3 outputs that go to the batteries and 2 of them were both hooked to 1 battery and the other output goes to the 2nd battery. I assume there isn't any harm in having two outputs go to 1 battery, right? One for each battery is sufficient and i could just disconnect the 3rd output right?


    https://www.cabelas.com/product/PROF...B&gclsrc=aw.ds
    Scott
    2007 Mobius LSV with a lot of great upgrades and mods

  2. #2
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,178

    Default

    All 3 charger outputs need to be connected. The one lead marked for the main cranking, needs to be connected to the main cranking. The other two will be connected to the house bank. If you ever wanted to double the house bank by adding a 2nd battery, then you have the capacity.

  3. #3
    Join Date
    May 2010
    Location
    Salt Lake City, Utah
    Posts
    1,114

    Default

    that's good to know, thanks a bunch MLA. I'll keep it hooked up like it was.
    Scott
    2007 Mobius LSV with a lot of great upgrades and mods

  4. #4
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    1,497

    Default

    It lists that in the install directions no matter how many banks. Each one needs to be connected.




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    2018 Supra SL400

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