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    • googler
    • By googler 4th Mar 18, 4:08 PM
    • 14,776Posts
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    How many years do you expect from a car battery?
    • #1
    • 4th Mar 18, 4:08 PM
    How many years do you expect from a car battery? 4th Mar 18 at 4:08 PM
    Ours has just lost all charge or died altogether from being out in the cold for a week or so. We last replaced it in 2010, which was eight years or so after the car was manufactured, so we reckon it's had two batteries in total, each has lasted 7-8 years.

    Is this good going? Would you expect more, or have you routinely had less life?
Page 1
    • treboeth
    • By treboeth 4th Mar 18, 4:12 PM
    • 1,065 Posts
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    • #2
    • 4th Mar 18, 4:12 PM
    • #2
    • 4th Mar 18, 4:12 PM
    Depends on how the car is used.
    Short journeys with all electrical item on or long journeys with few items on.

    7-8 years is pretty good IMO
    • AdrianC
    • By AdrianC 4th Mar 18, 4:34 PM
    • 17,356 Posts
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    • #3
    • 4th Mar 18, 4:34 PM
    • #3
    • 4th Mar 18, 4:34 PM
    I certainly wouldn't be complaining. It's not as if batteries are expensive - 60 or so for most cars.
    • telemarks
    • By telemarks 4th Mar 18, 4:48 PM
    • 161 Posts
    • 115 Thanks
    • #4
    • 4th Mar 18, 4:48 PM
    • #4
    • 4th Mar 18, 4:48 PM
    Thinking back, its between 6 to 11 years on our cars, so inline with you.

    I wonder if the modern cars with all the start/stop stuff going on will have shorter battery lives? Or have the manufactures allowed for this?
    • AdrianC
    • By AdrianC 4th Mar 18, 4:50 PM
    • 17,356 Posts
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    • #5
    • 4th Mar 18, 4:50 PM
    • #5
    • 4th Mar 18, 4:50 PM
    I wonder if the modern cars with all the start/stop stuff going on will have shorter battery lives? Or have the manufactures allowed for this?
    Originally posted by telemarks
    They tend to have different chemistry batteries, AIUI - AGM rather than lead-acid. The electronics also keep a much closer eye on the battery state, and if it's less than healthy, the stop-start will simply go off on holiday.
    • irc
    • By irc 4th Mar 18, 4:50 PM
    • 18 Posts
    • 11 Thanks
    • #6
    • 4th Mar 18, 4:50 PM
    • #6
    • 4th Mar 18, 4:50 PM
    Our 2007 Micra on 45k miles mostly short journeys is on it's original battery. The Octavia at 6 years old, likewise. I wouldn't complain about 7/8 years though.

    I've read the batteries in stop/start cars don't last as long and are more expensive to replace as they need coded to the car.
    • pogofish
    • By pogofish 4th Mar 18, 7:33 PM
    • 8,476 Posts
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    • #7
    • 4th Mar 18, 7:33 PM
    • #7
    • 4th Mar 18, 7:33 PM
    Longer than its been since the last time we did this thread, yes.
    • mgfvvc
    • By mgfvvc 4th Mar 18, 8:27 PM
    • 291 Posts
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    • #8
    • 4th Mar 18, 8:27 PM
    • #8
    • 4th Mar 18, 8:27 PM
    These things are highly variable. I've had batteries last less than 2 years and I think the battery in my old Honda Civic might have still been the original battery after 11 years and 120,00 miles. I would guess 5 years would be about the average, but I couldn't back that up.
    • jk0
    • By jk0 4th Mar 18, 10:45 PM
    • 2,294 Posts
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    • #9
    • 4th Mar 18, 10:45 PM
    • #9
    • 4th Mar 18, 10:45 PM
    Pretty good I think. My old Saab which I commuted in, had three new batteries in the ten years I had it. Present Citroen which is used less needed one at 8 years.
    • Tarambor
    • By Tarambor 5th Mar 18, 3:11 AM
    • 2,826 Posts
    • 2,041 Thanks
    Mine died in November during the cold spell then, 7 years old, 125,000 miles. Similar age and mileage the one on my last car died.
    • Jonesya
    • By Jonesya 5th Mar 18, 7:20 AM
    • 1,435 Posts
    • 885 Thanks
    I tend to replace mine at 5-6 years while they're still ok, rather than risk having it fail on me when I need it.

    Touch wood it's worked, never had a dead battery yet.
    • PasturesNew
    • By PasturesNew 5th Mar 18, 7:31 AM
    • 62,428 Posts
    • 365,539 Thanks
    My car was new in 2006.
    I bought it in 2010, I doubt it had a new battery by that point.
    I don't "look after it", or do long journeys to recharge it and I had it replaced when it failed in 2017 (wasn't interested in just getting it charged up again and hoping it'd be OK for years to come).

    In my 37 years of driving that was the 2nd battery I've ever bought ... and I've usually driven older bangers.
    • jackieblack
    • By jackieblack 5th Mar 18, 7:38 AM
    • 7,709 Posts
    • 11,255 Thanks
    Had to replace mine 10 days ago, almost 3 years to the day that I bought the car (low mileage, mainly short journeys, kept outside) cost me 93

    My daughter now needs to replace hers (my previous car) I replaced the battery in that after 5 years, just before I transferred it to her. She's had it 3 years.
    2.22kWp Solar PV system installed Oct 2010, Fronius IG20 Inverter,
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    • Joe Horner
    • By Joe Horner 5th Mar 18, 8:10 AM
    • 4,347 Posts
    • 3,819 Thanks
    Joe Horner
    Replaced the one on the 525 diesel about a year ago, date code on the old one (Feb 1993) suggested it was original from new. Probably sill had life in it as well, but I was chasing starting problems (in tank pump as it turned out) so it was taking a bit of a hammering.
    • fatrab
    • By fatrab 5th Mar 18, 2:46 PM
    • 833 Posts
    • 1,849 Thanks
    I think anything over 5 years is good, so 7 or 8 years I'd be quite happy with.

    I had the battery in my car changed under warranty just before it's 3rd birthday, which I was quite disappointed that it failed so young. Replacement battery would have been 126 if I'd had to pay it, but that's main dealer prices, equivalent battery from a motor factors would have been 89.
    You can have results or excuses, but not both.
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    • IanMSpencer
    • By IanMSpencer 5th Mar 18, 3:21 PM
    • 1,462 Posts
    • 1,080 Thanks
    My stop start battery died last year - 2012 car, so about 5 years. Not particularly expensive to replace on a Merc - no need for a diagnostic reset, the only trauma was trying to remember how to set the clock. It worked as a normal car battery but Mr Merc didn't want to let me play with the stop start.
    • seatbeltnoob
    • By seatbeltnoob 5th Mar 18, 8:41 PM
    • 446 Posts
    • 107 Thanks
    5-6 years, when engine has trouble starting on first turn of they key repeatedly i buy a new battery. theyre quite cheap at 40 a battery
    • Robisere
    • By Robisere 5th Mar 18, 9:04 PM
    • 2,238 Posts
    • 3,049 Thanks
    If you have to buy your own battery (or many other parts) then don't buy one that is listed by the car manufacturer. Always buy a motor factor part: just as good but much less expensive (as Fatrab discovered above)
    I think this job really needs
    a much bigger hammer.
    • sheslookinhot
    • By sheslookinhot 5th Mar 18, 9:26 PM
    • 1,120 Posts
    • 744 Thanks
    We gave our 2008 Seat Ibiza to our son last year. It was 18 months old when wife bought it. Almost 10 year old with original battery. 80k miles with mostly short journeys
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