1st Gen R53 Cooper S Light weight battery.

Discussion in '1st Generation: 2002–06 R50, R53 & 2004–08 R52' started by Professor, Oct 15, 2011.

  1. Professor

    Professor New Member

    May 4, 2009
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    Well my heavy oem replacement battery is on the way out.

    Would not mind finding something that will work well in cool climates and light weight. The Mini is not driven in the winter and is not a DD so it would be on a trickle charger most of the time.

    I want light without a sacrifice to reliability.
     
  2. ScottinBend

    ScottinBend Space Cowboy
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    Braille would be the best lightweight one even the Optima is lighter that OEM.
     
  3. minimark

    minimark Well-Known Member

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    #3 minimark, Oct 16, 2011
    Last edited: Oct 16, 2011
    Braille is very good, I us the 15lb for track and fun runs! Tried the lightest one but it just wasn't reliable enough on a car with full electric gizmos like power windows, CD, sunroof, etc. But I've done full track weekends and long Dragons with no sweat on the 15; I do swap back to OEM for day to day though....
     
  4. jiminni

    jiminni Well-Known Member

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    I'm using the Odyssey PC920, it's about 11-12lbs lighter than stock. The next size down Odyssey, I believe is only 15.4lbs, but you got to be aware that it is not as powerful. I have had absolutely no problems with the PC920.
     
  5. minimark

    minimark Well-Known Member

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    #5 minimark, Oct 16, 2011
    Last edited: Oct 16, 2011
    Yep the problem is the lighter you go, the less cranking amps you have. On 15lb Braille, it has 1067 cranking amps, the more power stuff and also the colder the climate the more cranking amps you will need. For instance a trolling motor battery will have a very large capacity but very low cranking amps and might not even start the boat that the trolling motor is on, enter the need for two batteries..

    Conversely if in a race only application, one where all the battery need do basically is start the motor and not run any electric fans, brake fans, etc; a tiny battery can be used with just enough cranking amps to get the job done but have very little capacity....

    2 cents only.
     
  6. ColinGreene

    ColinGreene Well-Known Member
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    May 15, 2009
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    Actually I might ask Ian Stewart because I think his good friend designed a lightweight battery. I could be wrong.
    Wanna know what i run. Sears Die hard!
     
  7. minimark

    minimark Well-Known Member

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    Yes he did Collin and I believe it is a very light lithium type battery. Haven't had any personal experience with them but its definately one to be considered. Maybe Ian can jump in here and give us a review?!
     
  8. jiminni

    jiminni Well-Known Member

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    Braille already makes a Lithium battery for our cars, well sort of, it's a group 48, OEM is a 47. It's only $2750. bucks :lol: I'll keep my Odyssey thank you.
     
  9. ColinGreene

    ColinGreene Well-Known Member
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    ouch thats expensive! you could get a quality Cyl head and cam for that! and thats probably more of a performance hike than a battery.
     
  10. minimark

    minimark Well-Known Member

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    Maybe I can find it, but the battey Ian's friend was doing was more like the cost of a Braille, maybe a little more if I remember correctly.
     
  11. DneprDave

    DneprDave Well-Known Member
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    Oct 23, 2010
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    A light battery sounds expensive, maybe I' just go on a diet and lose 20 lbs off my fat ass!:)

    Dave
     
  12. ScottinBend

    ScottinBend Space Cowboy
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    :cornut:
    Weight Watchers here we come!
     
  13. minimark

    minimark Well-Known Member

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    LOL Brings back memories of the 400lb guy imparting some great advice at VIR during a HPDE; he told me I could loose about 4lbs if I performed the rear wiper delete......as he had.....

    ....of course he also said his Alta CAI would give me 10 more ponies over my JCW....

    No, he was not participating, just spectating and offering words of wisdom to those that were...
     

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