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Focus 1.0 EcoBoost Battery

madcourier
madcourier
in Ford Focus Club

Featured Replies

What’s the best battery to buy for my ‘66 Focus EcoBoost?

Is it true people buy bigger diesel batteries? 

Id hate to buy a bigger battery and it doesn’t fit correctly…

  • Quote


    5 hours ago, madcourier said:

    Is it true people buy bigger diesel batteries? 

    Yes.

    5 hours ago, madcourier said:

    Id hate to buy a bigger battery and it doesn’t fit correctly…

    A bigger battery means more powerful, larger capacity. It does not mean it is physically a larger battery.

  • Quote
    On 9/19/2024 at 6:17 PM, unofix said:

    For the Focus Mk3.5 the following battery will be best suited.

    YBX7096 Yuasa EFB Start Stop Car Battery 12V 75Ah

    battery.JPG

     

  • Quote
    • Like 1
    11 minutes ago, unofix said:

     

    Like a lot of people on this Forum, I have fitted one of these on my car too and it is far superior to the original factory fitted one.

  • Quote
    • Like 1
    15 hours ago, madcourier said:

    What’s the best battery to buy for my ‘66 Focus EcoBoost?

    Is it true people buy bigger diesel batteries? 

    Id hate to buy a bigger battery and it doesn’t fit correctly…

     

    Check you battery size. For example the Yuasa mentioned in previous posts is a H6 size battery which measures 278 x 175 x 190 mm, or very close to these values.

    A H6 size has a maximum capacity (Ah) that it can store. I am not sure about the exact Ah number, but for sure 75Ah can fit in this size.

    Therefore, if your current battery is a H6, then buying a H6 would mean it fits. If you are not sure what it is, measure it and search for a similiar sized battery.

    Following the advice of the forum colleagues, I also bought the above Yuasa and it is very very good so far, but it is still new (bought it in May)

  • Quote

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    The "Digestive"

    • The Digestive Forum Roundup (24th May - 31st May 2026)

      Steve ·
      The Digestive Forum Roundup (24th May - 31st May 2026) We hope this email finds you well and enjoying your week. As always, our forum has been buzzing with activity, so we’ve compiled the highlights for you. Plenty of interesting discussions are taking place, especially around the Ford Focus and Fiesta models. Starting off with the Focus, many members have been discussing issues with the Emergency Call System, particularly in the Mk4 model. PLB raised concerns about persistent malfunctions, a se
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