Accessory mode kills the battery?

  1. Hondaman_MI

    Hondaman_MI Senior Member

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    I ordered air filters online today too. Didn't bother going to the dealer, I'm sure they would want a premium price for them. What battery is used in the key fob? Can you buy it at any store?
     
  2. marauderguy

    marauderguy Senior Member

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    #17 marauderguy, Nov 20, 2018
    Last edited: Nov 20, 2018
    I agree that all the retailers say that. Have you actually measured it. I measured mine and it is not a 51r and has 550CCA.
    Don't let them sell you a smaller replacement if you confirm you have a group 35.
    Is your battery actually failing?
     
  3. OP
    OP
    Civic Fan 2016

    Civic Fan 2016 Senior Member

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  4. peterletran

    peterletran Senior Member

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    NEVER (and I mean "NEVER" ) get the 51r if you don't have to.
    Always opt for the Group 35.
    In Philadelphia, it just got pretty cold almost over night.
    and for the entire week, my battery hasn't been keeping up to the task.
    Luckily, I have a Kinetik HC2000 in the trunk for my stereo, but
    If the 51r is too weak to kick the isolator closed, I don't get current from the back.
    I had to go out to Harbor Freight for a $80 lithium jump pack.
    Which is on sale this weekend for $50.
     
  5. MuffinMcFluffin

    MuffinMcFluffin Senior Member

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    I gotta get the fuck out of this thread!!!
     
  6. fjrman

    fjrman Senior Member

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    My Honda Accord had a 51R battery. My '16 LX Civic has a 51R with 410 CCA.

    I've noticed that many of the aftermarket 51R batteries have a minimum of 500 CCA.

    It would seem that Honda saved some money on a battery with a lower CCA rating. The factory battery in my Accord lasted more than 7 years.
     
  7. peterletran

    peterletran Senior Member

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    Wow ... that is great of you to point out. I figured something was off about the OEM battery sitting in my '17 Civic.
    It works "fine" during the warm months, but in Philadelphia, that's only 6 out of 12 months.
    The rest of the year is always 60 degrees Fahrenheit or below.
     
  8. Bru87tr

    Bru87tr No Boost = N/A

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    I am 1.5yrs on my battery. I have an amp, powered sub and LOC installed. I have listened to my radio in acc for 15min or longer at a pretty good volume and never had a issue.
     
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