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3 or 4 batteries

Discussion in 'Peterbilt Forum' started by dunctrk379, Aug 23, 2013.

  1. Aug 23, 2013 #1
    dunctrk379

    dunctrk379 Light Load Member

    213
    11
    Jul 12, 2011
    lowndesboro,al
    0
    what is the advantage of having 4 batteries over 3
     
    dunctrk379, Aug 23, 2013
    dunctrk379, Aug 23, 2013
    #1
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  3. Aug 23, 2013 #2
    Heavyd

    Heavyd Road Train Member

    7,812
    6,264
    Feb 4, 2009
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    More cranking duration. Longer reserve capacity for accessories.
     
    Heavyd, Aug 23, 2013
    Heavyd, Aug 23, 2013
    #2
    SHO-TYME Thanks this.
  4. Aug 23, 2013 #3
    Starboyjim

    Starboyjim Road Train Member

    2,039
    1,425
    Dec 10, 2011
    Weed, CA
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    More cranking duration. Longer reserve capacity for accessories.

    Ka-Boom. Heavy has killed it. More cranking amps, (see "Cold Cranking amps) more reserve for your lights, radio, refrigerator.
     
    Starboyjim, Aug 23, 2013
    Starboyjim, Aug 23, 2013
    #3
    Pete0377 Thanks this.
  5. Aug 23, 2013 #4
    dunctrk379

    dunctrk379 Light Load Member

    213
    11
    Jul 12, 2011
    lowndesboro,al
    0
    thanks guys for the quick answers. I was just asking to see for my project.
     
    dunctrk379, Aug 23, 2013
    dunctrk379, Aug 23, 2013
    #4
  7. Aug 23, 2013 #5
    KF7WTV

    KF7WTV Medium Load Member

    410
    234
    Aug 8, 2012
    RENO, NV
    0
    Why stop at 4? My ProStar+ has 8!! :biggrin_255:

    Be careful how you connect them. Serial (pos to neg) gives you more voltage, same amperage. Parallel (neg to neg, pos to pos) gives more amps, same voltage.
     
    Last edited: Aug 23, 2013
    KF7WTV, Aug 23, 2013
    KF7WTV, Aug 23, 2013
    #5
  8. Aug 23, 2013 #6
    Oregon Grown

    Oregon Grown Light Load Member

    220
    86
    May 7, 2012
    lapine or
    0
    Yep. Don't need a 24 volt out put.
     
    Oregon Grown, Aug 23, 2013
    Oregon Grown, Aug 23, 2013
    #6
  9. Aug 24, 2013 #7
    heavyhaulerss

    heavyhaulerss Road Train Member

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    Dec 23, 2009
    AL/TN BORDER
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    I have 4 cause that is what my truck came with.the ones that come with 3 may not have a space to add a 4th.
     
    heavyhaulerss, Aug 24, 2013
    heavyhaulerss, Aug 24, 2013
    #7
  10. Aug 24, 2013 #8
    heavyhaulerss

    heavyhaulerss Road Train Member

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    2,040
    Dec 23, 2009
    AL/TN BORDER
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    I do not under stand how you could could hook up a pos to a neg with out serious damage & sparks.
     
    heavyhaulerss, Aug 24, 2013
    heavyhaulerss, Aug 24, 2013
    #8
  11. Aug 24, 2013 #9
    ryan7892

    ryan7892 Light Load Member

    123
    45
    May 11, 2013
    Maryland
    0
    Usually day cabs have 3 and sleeper trucks have 4. If you are going to stark it in zero degree weather I'd use 4
     
    ryan7892, Aug 24, 2013
    ryan7892, Aug 24, 2013
    #9
  12. Aug 24, 2013 #10
    dunctrk379

    dunctrk379 Light Load Member

    213
    11
    Jul 12, 2011
    lowndesboro,al
    0
    well i just thought to use 4 on my project truck for accessories such as fridge,radio, and few other small things i may put in it. I just thought better to be safe than sorry such as having 4 batteries instead of 3. Oh and speaking of batteries who makes custom cables for trucks?
     
    dunctrk379, Aug 24, 2013
    dunctrk379, Aug 24, 2013
    #10
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