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Battery tender lights question

Discussion in 'F12/812' started by Adriangandy, Nov 27, 2023.

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  1. Adriangandy

    Adriangandy Rookie

    Feb 23, 2017
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    Los Angeles, CA
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    AdrianGPA
    #1 Adriangandy, Nov 27, 2023
    Hey guys, just managed to plug my F12 in the trickle charger. It's just showing red, What does this mean? It's been 2 hours so far it's still red.

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  2. Adriangandy

    Adriangandy Rookie

    Feb 23, 2017
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    AdrianGPA
    #2 Adriangandy, Nov 27, 2023
    Oh btw, it's not blinking or anyhting its just solid red. Hmm
     
  3. Caeruleus11

    Caeruleus11 F1 World Champ
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    Jun 11, 2013
    11,413
    #3 Caeruleus11, Nov 27, 2023
    It means its “charging” - I write that in quotes because this looks like the weakest of the Ctek units and such a tender killed my 599 - the 599 wanted more charge than the tender can output- so over a few weeks in winter many years ago, I came out to a dead car- despite being on the tender!

    The unit will get quite warm also- thats normal.

    My suggestion is replace the unit with a better one such as the Ctek 3300 or 7002. Ive been using the latter on my cars for 15+ years- since the 599 incident.

    You will need to get a ferrari specific connector for the Ctek- you can find them often on eBay.

    I find the 7002 is better at handling power surges and brownouts.

    You need to know if your F12 has a standard car battery or AGM- if it has start/stop (“HELE” in Ferrari speak) then it has an AGM battery. (It’s also possible a prior owner swapped the battery to a different type so it’s worth finding out). Use the normal mode for the standard battery and use the snowflake logo mode (next to normal) it also has a picture of a battery by the light, for AGM.




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  4. Adriangandy

    Adriangandy Rookie

    Feb 23, 2017
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    AdrianGPA
    #4 Adriangandy, Nov 27, 2023
    Dude, you're so knowledgeable

    Eh, same thing happened to my 458italia! I didn't have a dedicated socket back then, as I was living in an apartment, just bought a new one and drove it more often (73k miles haha.) My F12 did die a few months back, got a new battery but not sure what battery the dealer put in. I left it charging overnight, but it's still showing red this morning, unsure why. I guess I'm getting the 7002 charger?
     
  5. Caeruleus11

    Caeruleus11 F1 World Champ
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    #5 Caeruleus11, Nov 27, 2023
    Thanks- just been around these cars for a while now.

    Get the 7002 and get the adapter

    This is the first thing that appeared for me on eBay for one of these adapters- they are not cheap because there are only so many people putting them together. Just watch it for a bit to make sure it's working properly. You might find a better deal, etc.... And the tenders they've been shipping with newer models are much better.

    https://www.ebay.com/itm/155388742524?_trkparms=amclksrc%3DITM%26aid%3D777008%26algo%3DPERSONAL.TOPIC%26ao%3D1%26asc%3D20230811123856%26meid%3D5571343cc99f48a9be929877e3d38ce1%26pid%3D101770%26rk%3D1%26rkt%3D1%26itm%3D155388742524%26pmt%3D1%26noa%3D1%26pg%3D4375194%26algv%3DRecentlyViewedItemsV2%26brand%3DFerrari&_trksid=p4375194.c101770.m146925&_trkparms=parentrq%3A12106ce218c0ad8b2c4b36fcffffb50e%7Cpageci%3Ab531dd22-8d53-11ee-b09e-6e533f07475e%7Ciid%3A1%7Cvlpname%3Avlp_homepage
     
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