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Thread: Optima Yellow Top battery

  1. 22nd July 2014, 07:30 PM #31
    LeighW
    LeighW is offline Fossicker
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    Quote Originally Posted by jonesy63 View Post
    ... LR are now supplying AGM batteries instead of lead/calcium/acid batteries. I'm guessing that will avoid a lot more batteries being replaced under warranty - improving reliability and customer satisfaction.
    I believe that AGMs are now being used in LR's products because of the quicker recovery times that the AGM exhibits. Power demands are much higher than they have been in the past (even for the D3) so much so that the D4 has an alternator that is different in its rate of initial power generation. But what I know is that since I fitted the Varta AGM last year to my D3 I feel it is more powerful when starting the vehicle, despite too many short runs (<5 km).

    But I always have the CTek ready for the time when the battery says enough is enough...
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  2. 22nd July 2014, 07:38 PM #32
    PhilipA
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    As I had to leave for work and no time to find a good one, we asked RACQ to
    replace for us even though the replacement they have only has CCA of 680.
    I think the OEM one had about 720 written on, which lasted 7yrs
    This is from a previous thread about D4 batteries.

    If the required CCA is 720CCA then the most appropriate Optima is a BLUE top as it has 750CCA in the smaller size case and is a combination starter/deep cycle.
    A D2 TD5 had the same requirement and I swapped battery positions so that the ARB second battery position became the starter battery. No problems after 18 months next to the turbo.
    Regards Philip A
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  3. 22nd July 2014, 10:07 PM #33
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    phl
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    Quote Originally Posted by PhilipA View Post
    This is from a previous thread about D4 batteries.

    If the required CCA is 720CCA then the most appropriate Optima is a BLUE top as it has 750CCA in the smaller size case and is a combination starter/deep cycle.
    The D4 needs more than 720CCA, closer to 900CCA although the AGM now supplies might be a touch less.

    The Blue to is good for the Auxiliary, which is what I'm using it for, as you don't need adapters for the Traxide connectors.
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  4. 22nd July 2014, 10:19 PM #34
    slug_burner
    slug_burner is offline TopicToaster Gold Subscriber
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    The beauty of forums, I use a yellow top D31a in my D2 Td5 as a starting battery, has enough CCA and has been deep discharged many times as a result of standing for weeks/months with out a good run. It is a big battery (dimension wise), whatever battery you get check the dimensions to ensure it will fit.
    Quote Originally Posted by benji View Post
    ........

    Maybe we're expecting too much out of what really is a smallish motor allready pushing 2 tonnes. Just because it's a v8 doesn't mean it's powerfull.

    One answer REV IT BABY REV IT!!!
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