Start and House battery size

zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
in Generator Discussions
what size house / start battery you guys run.
I have 27 for start and 24 for house
thinking going to 31 for house 
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  • reneechris14reneechris14 Member Posts: 3,134 ✭✭✭✭✭
    I use 2 group27 deep cycles 920 cold cranking.
    2005 Rinker FV342  Pawcatuck river,Ct
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  • DanD2DanD2 Member Posts: 848 ✭✭✭
    I'm running standard group 24 for starting and 2 group 31's for house. If you can afford it, go with the 31's, you won't be disappointed.
    No longer a boat owner.....previous boat - 2005 Rinker Fiesta Vee 342
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  • Liberty44140Liberty44140 Member Posts: 4,380 ✭✭✭✭✭
    I've got two group 24s for starting and two group 29s for house. Agree with Dan, long term will go with 31 for house. 
    07' Cruisers 390 (Previous Rinker's: 06' 342EC & 01' 310FV)

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  • zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    edited June 2016
    I know guy here in mi that sells them
    for way under retail.
    my battery 1 was bad from day one. Charge it and it would keep charge but was always weak and eventually die just from starting  the engines. Dealer had battery 1 group 24 battery 2 group 27
    single house battery is group 24.
    since I run the stereo, fridge and some other things I will measure and try to squeeze a 31 for house.
    Post edited by zaverin1 on
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  • Cableguy GregCableguy Greg Member Posts: 5,026 ✭✭✭✭✭
    I would do my best to squeeze in the group 31's for your house. I have a group 24 for my starting and 2 group 31 AGM's for my house. They work great and last a long time.
    2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes"
    Go Steelers!!!
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  • zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    I have three batts total
    one for each engine ?
    then third for house?
    am I correct 
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  • MarkBMarkB Member Posts: 3,976 ✭✭✭✭✭

    If you have a single engine, then yes, only 1 for battery and 2 for house. If you have twin engines, then one battery per engine (not shared for redundancy) and one for house.

    Boat Name: King Kong

    "Boat + Water = Fun"

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  • zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    Correct a twin 
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  • Dream_InnDream_Inn Member, Moderator Posts: 7,663 mod
    You will definitely want two batteries for house.  As others said, 31 is best.

    Dream 'Inn III -- 2008 400 Express

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  • zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    So went to the boat today and ended up putting a 27 group for house
    batt 1 is 24 and batt 2 is 27
    reason behind batt 1 being 24 is no room to squeeze that sucker in.
    i don't run amp or anything like that
    just nice pioneer tunes
    fridge maybe some water and lights.
    batt 1 was poop from day I got the boat and I just swapped the house batt to 1 and one I purchased to house.

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  • Dream_InnDream_Inn Member, Moderator Posts: 7,663 mod
    Just FYI, group 29 is same size as 27.

    Dream 'Inn III -- 2008 400 Express

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  • zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    My guy only had 24,27 and 31
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  • DanD2DanD2 Member Posts: 848 ✭✭✭
    Group 24 for Batt 1 is fine, also fine for Batt 2 if you have a twin engine boat.  Those are just starting battery's anyways. Non of your accessories should be hooked to it. For House batteries, Group 27 or larger is needed and it must be a deep cycle. 
    No longer a boat owner.....previous boat - 2005 Rinker Fiesta Vee 342
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  • zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    That's what I ended up doing

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