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Thread: 2012 Accord V6 Dead Battery

  1. #1
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    Default 2012 Accord V6 Dead Battery

    My 2012 accord was sitting for about a week and a half.

    Went to start it and the battery was dead. No lights, no beeps ...nothing.

    Boosted it and everything was fine again.

    Battery is good.

    Is there a known power drain on these vehicles ?
    2011 Ram 1500 QC Sport
    2012 Honda Accord EX-L Nav V6 6-Spd

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    Aftermarket alarm and/or remote starter?

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    Old battery?

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    No and No...

    Battery is about 2 years old. I dont think thats old...is it ??
    2011 Ram 1500 QC Sport
    2012 Honda Accord EX-L Nav V6 6-Spd

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    Your battery is not fully charged every time you park. Short trips, particularly in winter, can leave the battery severely depleted EVEN if everything is working perfectly. People treat batteries as a binary "good" or "bad" and it's really much more nuanced than that. in 20c weather, a pretty bad battery will still start the car just fine, but in 0c, maybe it struggles and in -15c maybe it doesn't start at all. A "great" battery will still fail to start a vehicle if it's been sitting with a parastici draw in cold temps for a week.

    I recommend that any vehicle that sits for more than a week (or two days in really cold weather) should have a battery maintainer hooked up. Parasitic draws are normal, and the colder it is, the more quickly you'll get to that "no-start" situation.

    batteries age more from abuse than from months, so a two year old battery could be damaged. Get it fully charged and then get it tested at either NAPA or Canadian tire.

    I would also say that boosting a vehicle is fine to get a car driving again, but you really need to charge that battery with an external smart charger ASAP to make sure it's back to 100%.
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    I've left my truck unattended for weeks when I travel for work.

    When I get back its turn the key and go.

    Its possible the battery is older than expected. I'll have to check the service records when I get home.

    Cheap solution if that is the problem however, if there is a known parasitic drain then I would like to address that as well.

    Thanks.
    2011 Ram 1500 QC Sport
    2012 Honda Accord EX-L Nav V6 6-Spd

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    Quote Originally Posted by Nufy View Post
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    I've left my truck unattended for weeks when I travel for work.

    When I get back its turn the key and go.

    Its possible the battery is older than expected. I'll have to check the service records when I get home.

    Cheap solution if that is the problem however, if there is a known parasitic drain then I would like to address that as well.

    Thanks.
    Some vehicles have larger parasitic draws than others, even when functioning correctly. The older the vehicle, the lower the parasitic draw. I had a 1977 F250 pickup that could sit months and fire right up. Our 2012 Odyssey can go about 5 days.
    I've said it before, but I think a battery maintainer is more important than a block heater in most vehicles in cold weather.
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    Hook up a multimeter at the battery and test for a draw. Keep in mind a vehicle will need time to completely power down after running.

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    Quote Originally Posted by ExtraSlow View Post
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    I've said it before, but I think a battery maintainer is more important than a block heater in most vehicles in cold weather.
    This.
    Seen a lot of batteries replaced in the winter when all that was needed was a battery tender once in a while, especially in remote areas where I work and the car only gets driven to work and back for 5-10 minutes everyday and just sits out in the cold.

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    Quote Originally Posted by ExtraSlow View Post
    This quote is hidden because you are ignoring this member. Show Quote
    Your battery is not fully charged every time you park. Short trips, particularly in winter, can leave the battery severely depleted EVEN if everything is working perfectly. People treat batteries as a binary "good" or "bad" and it's really much more nuanced than that. in 20c weather, a pretty bad battery will still start the car just fine, but in 0c, maybe it struggles and in -15c maybe it doesn't start at all. A "great" battery will still fail to start a vehicle if it's been sitting with a parastici draw in cold temps for a week.

    I recommend that any vehicle that sits for more than a week (or two days in really cold weather) should have a battery maintainer hooked up. Parasitic draws are normal, and the colder it is, the more quickly you'll get to that "no-start" situation.

    batteries age more from abuse than from months, so a two year old battery could be damaged. Get it fully charged and then get it tested at either NAPA or Canadian tire.

    I would also say that boosting a vehicle is fine to get a car driving again, but you really need to charge that battery with an external smart charger ASAP to make sure it's back to 100%.
    This is Best Advice

    My wife ruined 2 batteries on her ford in a short span by never driving it or using the trickle charger.

    Any vehicle that sits often should have a hard wired trickle charger pigtail attached and plugged in often.
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    Quote Originally Posted by Nufy View Post
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    Its possible the battery is older than expected. I'll have to check the service records when I get home.
    Don't worry about age, Just have the battery tested no matter how old it is. Napa and CT will test for free.
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    Quote Originally Posted by ExtraSlow View Post
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    Don't worry about age, Just have the battery tested no matter how old it is. Napa and CT will test for free.
    As will Autovalue and partsource I believe

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    Quote Originally Posted by G-ZUS View Post
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    As will Autovalue and partsource I believe
    I'm sure they do. Although I've heard of some places testing with a voltmeter, and I know for sure CT and NAPA use the proper carbon pile amperage testing equipment. I also like the warranty policies of CT and NAPA. Ease of warranty replacement and number of retail outlets is important for batteries, because sure as shit, they'll fail when you are on vacation somewhere far from a major centre. I think NAPA has the most locations in smaller towns in western Canada, which is handy.
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    Finding a parasitic drain takes a decent amount of time and patience to nail down.

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    i retired after 39 years of wrenching shoot me a pm and ill test everything.
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