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  1. #1
    Veteran Member Four Rings
    Join Date
    Sep 01 2012
    AZ Member #
    99704
    Location
    Edmonton

    How to calculate ah rating of your battery

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    Hello, does anyone know how to check the ah rating of a battery if only CCA / CA / RC ? TIA 20221201_190347.jpg

    Sent from my SM-G970W using Audizine Forum mobile app
    2018 RS3 Panther Black

  2. #2
    Senior Member Two Rings TwistRate's Avatar
    Join Date
    Jul 22 2018
    AZ Member #
    422857
    Location
    Twin Cities

    Google the battery and it should tell you .... I think that one is 80AH

  3. #3
    Veteran Member Four Rings
    Join Date
    Sep 01 2012
    AZ Member #
    99704
    Location
    Edmonton

    Quote Originally Posted by TwistRate View Post
    Google the battery and it should tell you .... I think that one is 80AH
    Yah ive done that already manufacture site still lists not in relation to ah rating. I've sent them an email already. I find it odd that there's nothing listed at all yet almost every other battery I've googled has it listed. Thank you. I've can across a couple site stating you can take your cca and divide it by 7.25, but other site state you can't calculate it with cca.

    Sent from my SM-G970W using Audizine Forum mobile app
    2018 RS3 Panther Black

  4. #4
    Veteran Member Four Rings S3DUDE's Avatar
    Join Date
    Aug 29 2017
    AZ Member #
    405991
    My Garage
    24' RS3, 23' RS3, 24' Colorado ZR2, 24' GR-86, 09' supercharged track SI
    Location
    Tucson, AZ

    Call the dealership. They should be able to tell you the specs.
    8V RS3 [email protected] mph (ran a few 11.7s stock and ran 118+mph several times)
    8Y RS3 k&N filter ran [email protected] (ran 11.6 5 times and trapped 120+ several times)
    at 3100ft elevation

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