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Deep Cycle AGM VS starter batts

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Richter, Jun 2, 2013.

  1. Jun 2, 2013 #1
    Richter

    Richter Road Train Member

    4,090
    1,700
    Feb 13, 2012
    Philadelphia Pa
    0
    Hi Everyone,

    I know trucks normally use starter batts because of the high CCA requirements. The problem is they don't hold up well to "hotel" loads and get damaged if regularly drained below 50%. So i was wondering, how many CCA do you need to start a Detroit s60 in the winter? Is that the only reason we don't all by AGM batts which handle hotel loads much better? There are some deep cycle AGM's out there with decent CCA and im wondering if they would be good enough to still get it started. Kevin Rutherford (the xm radio guy) talked about getting 3 AGM, and one "booster battery" but I have never seen the booster batt sold.

    Unfortunately I cant find any specs on the batts that are int here now. They are an off brand called "energy Power"
    Thanks
     
    Richter, Jun 2, 2013
    Richter, Jun 2, 2013
    #1
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  3. Jun 2, 2013 #2
    Hanadarko

    Hanadarko Independent Owner/Operator

    2,970
    934
    Oct 1, 2009
    Midwest
    0
    I run (4) ThermoKing EON AGM regular group 31 batteries.
    I got tired of exide batteries that always seem to leak.

    I've not had any issues with hot/cold/discharge or anything, but they are not "Deep Cycle" per say.
    They come with a 4yr full replacement warranty (not pro-rated).
    Seems they are re-branded Odyssey from looking at the case/specs and design.

    Spec's are very impressive (per battery):

    CCA ....................................................................... 1150
    HCA     ........................................................................1545
    MCA .......................................................................1370


    Cost? Over $400 each...that's a show stopper in most cases.
    AGM batteries are not cheap.

    My other option (still on the table) is to isolate to another set of (4) batteries.
    I'd install them into the steps on the passenger side and use those for the sleeper yet keep
    the main batteries isolated (much like in an RV)....Just haven't had the need yet to do that..
     
    Hanadarko, Jun 2, 2013
    Hanadarko, Jun 2, 2013
    #2
  4. Jun 2, 2013 #3
    Richter

    Richter Road Train Member

    4,090
    1,700
    Feb 13, 2012
    Philadelphia Pa
    0
    Thanks for the info, I saw several AGM with similar specs. Ive seen traditional starter batts that are group 31 with less CCA. So i guess, How much CCA do you need and is that the only factor in starting?

    The isolating with 2 batt banks would be ideal, but that adds a significant amount of weight
     
    Richter, Jun 2, 2013
    Richter, Jun 2, 2013
    #3
  5. Aug 18, 2013 #4
    TheEnglishMan

    TheEnglishMan Light Load Member

    231
    60
    Oct 3, 2012
    0
    Exide just filled chapter 11 bankruptcy, so be cautious. They might not be around to honor the warranty.
     
    TheEnglishMan, Aug 18, 2013
    TheEnglishMan, Aug 18, 2013
    #4
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