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  1. #11
    Senior Member duhkevinz's Avatar
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    Re: Please talk me through this or out of it.

    I would personally go with two... You never know when you’ll need the second in an emergency.


    Sent from my iPhone using Tapatalk

  2. #10
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    Re: Please talk me through this or out of it.

    Going with 2. First Fire of the new engine is set for Saturday, July 27.
    20' Hewescraft "River Runner" Redline 302, Berkeley Jet.
    36' Bounder Motorhome.

  3. #9
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    Re: Please talk me through this or out of it.

    I will always use dual batteries now. Just in case one fails os I am an idiot and run one down while on anchor.

  4. #8
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    Thumbs up Re: Please talk me through this or out of it.

    Quote Originally Posted by fishwrong2 View Post
    Judgement call on you part.

    No need for two batteries if you’re only need for a second one it to start a kicker. Two batteries is twice the cost and weight.

    If neither of those are a problem, go with two. Always comforting to have a backup and gives options for isolating electronics, etc. The perko switch should have a wiring diagram on it.

    Luxury over necessity but that’s just my opinion.
    Batteries over here go south just by sitting in the hot sun, or freezing in the winter. Sometimes you just forget how old they are or how many cycles they have gone through. I carry a jump starter battery (Halo) so I won't get stuck on the water with no start...…..Jetspray
    2003 Alumaweld, 19'6", Chevy vortec V-6, SD-309 american turbine jet, T-8 Yamaha kicker, waiting for the tackle fairy to show up to fill my boxes

  5. #7
    Senior Member
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    Re: Please talk me through this or out of it.

    Judgement call on you part.

    No need for two batteries if you’re only need for a second one it to start a kicker. Two batteries is twice the cost and weight.

    If neither of those are a problem, go with two. Always comforting to have a backup and gives options for isolating electronics, etc. The perko switch should have a wiring diagram on it.

    Luxury over necessity but that’s just my opinion.

  6. Likes Jetspray liked this post
  7. #6
    Senior Member
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    Re: Please talk me through this or out of it.

    Quote Originally Posted by NovaCX12 View Post
    I use this, would not go any other way.

    https://www.bluesea.com/products/761...12_24V_DC_120A
    Very cool product, thanks for the post, might want to look into that in the future for sure...…..Jetspray
    2003 Alumaweld, 19'6", Chevy vortec V-6, SD-309 american turbine jet, T-8 Yamaha kicker, waiting for the tackle fairy to show up to fill my boxes

  8. #5
    Member
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    Nov 2016
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    Vacaville, CA
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    Re: Please talk me through this or out of it.

    I use this, would not go any other way.

    https://www.bluesea.com/products/761...12_24V_DC_120A

  9. Likes Jetspray liked this post
  10. #4
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    Re: Please talk me through this or out of it.

    On my boat I have two batteries, one in the bow of the boat, one over the main motor. I run everything on the main except the marine radio (hooked to the front). Both the main and backup are much the same, the one in the bow has a perko switch hooked to it which is under the main motor cover, it is not connected but if the main will not start it can be connected and switched to start the main. I keep both on trickle chargers.....Jetspray
    2003 Alumaweld, 19'6", Chevy vortec V-6, SD-309 american turbine jet, T-8 Yamaha kicker, waiting for the tackle fairy to show up to fill my boxes

  11. #3
    Member
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    Re: Please talk me through this or out of it.

    Quote Originally Posted by Hookem2004 View Post
    I would feel more comfortable with two batteries on a boat. If you have a perko switch why wouldn't you want to install it with two batteries?

    https://www.boatingmag.com/how-to-in...attery-system/

    Just thinking about trying to simplify things.
    20' Hewescraft "River Runner" Redline 302, Berkeley Jet.
    36' Bounder Motorhome.

  12. Likes Jetspray liked this post
  13. #2
    Senior Member Hookem2004's Avatar
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    Milpitas, CA
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    Re: Please talk me through this or out of it.

    I would feel more comfortable with two batteries on a boat. If you have a perko switch why wouldn't you want to install it with two batteries?

    https://www.boatingmag.com/how-to-in...attery-system/
    2018 Duckworth 235 Pacific Navigator
    Yamaha 250HP
    Yamaha 9.9 HP
    Scotty's downriggers
    Lowrance Ti2's

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