lifespan of a battery? - Alfa Romeo Bulletin Board & Forums
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post #1 of 19 (permalink) Old 10-08-2019, 06:39 PM Thread Starter
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lifespan of a battery?

How often do you change your car battery even if it shows a good charge?

Is there no reason to change it after a certain amount of years?

Thanks

1992 Alfa Romeo Spider Veloce, 2017 Alfa Romeo Giulia, 2018 Volkswagen Tiguan SEL Premium
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post #2 of 19 (permalink) Old 10-08-2019, 06:45 PM
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They degrade with time, charge cycles & depth, and temperature extremes so there isn't a simple answer.

Personally I always replace mine at five regardless of usage. I figure it's reasonably cheap insurance and I've never had one die on me, though here in CA they live a pretty easy life.
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post #3 of 19 (permalink) Old 10-08-2019, 06:55 PM Thread Starter
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Quote:
Originally Posted by Gubi View Post
They degrade with time, charge cycles & depth, and temperature extremes so there isn't a simple answer.

Personally I always replace mine at five regardless of usage. I figure it's reasonably cheap insurance and I've never had one die on me, though here in CA they live a pretty easy life.
Mine is about 5 years old and the local mechanic tested it and said it was perfectly fine.

I'll probably swap it out next year though.

Thanks for the feedback.

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post #4 of 19 (permalink) Old 10-08-2019, 07:16 PM
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I agree that 5 years is pretty typical. They make fancy load testers now that can tell you what % of the original CCA is left in your battery.

The batteries in my electric lawn mower read 24 Volts (the spec) when fully charged, but under a load they dropped to zero. Time to change them.

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post #5 of 19 (permalink) Old 10-09-2019, 12:46 AM
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I keep mine on a C-TEK battery maintainer, it is 5 years old and works like new.


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post #6 of 19 (permalink) Old 10-09-2019, 03:45 AM
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mine is well over 10 years (I have had the car 11 years, and the battery was certainly not new when I got the car)
I have a battery cut off switch which I use every night.

If your battery is fine, keep it.

These darn things are such a strain on the enviornment (as we will find out when electric car batteries need replacement 10 years on from now!)

Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.
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post #7 of 19 (permalink) Old 10-09-2019, 04:01 AM
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I get my batteries at Wal-Mart. They must have a clock in them. The last few have died right after warranty expiration. My son was lucky. His 3 year battery bit the dust after 2 years, 11 months. They gave him a new battery. Clock must have been fast.
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post #8 of 19 (permalink) Old 10-09-2019, 07:22 AM
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If you look at the "warranty": , its typically how long they last....most are 5 yrs...some 3 , some longer....I typically change every 5....

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post #9 of 19 (permalink) Old 10-09-2019, 08:56 AM
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The Lightweight Odyssey battery in my Spider is 8 years old and going strong despite being totally discharged on several occasions.

Ed Prytherch
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post #10 of 19 (permalink) Old 10-09-2019, 10:42 AM
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I've been using one of these for a number of years. I always bring it with me any time I'm in the market for a car battery. It has saved me from buying bad (or miss labeled) batteries a number of times. Notice how there are two leads on each clamp. On one occasion, when a new battery tested low CCA, the guy said it needed to be charged. When I came back it still showed low CCA. I had to explain to him that the CCA numbers depended on the total square inch(s) of the battery plates not the charge level. In this case all of the batteries (of the same P/N) were mislabeled by 20%.

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post #11 of 19 (permalink) Old 10-09-2019, 11:42 AM
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My Mercedes original battery lasted 11 years. The least I have ever got out of a battery is 8 years. Use it up.
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post #12 of 19 (permalink) Old 10-09-2019, 01:12 PM
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Back in Chicago a battery lasted four years, even those with five year warranties. Failure always occurred in winter, which would set a cycle of buying replacements in winter. I did not subscribe to the replace before failure approach.

Here in California battery life has been erratic. I'm on my second, size H6 battery, a Die-Hard, in my 2004 Crossfire, so it's well over five years old.

My Spider has a Walmart Everstart that's about five years old. I typically plug it into a battery tender to keep it charged after disconnecting the battery.

I've had mixed experience with Costco's Interstate batteries. One that I put in my daughter's Civic barely made a few years before dying. Other have been fine.

Query: I've heard someone claim that the Interstate batteries sold by Costco are *not* the same as the ones you buy from other Interstate sellers. Does anyone have more info on this claim?

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post #13 of 19 (permalink) Old 10-09-2019, 01:14 PM Thread Starter
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I have a kill switch that was installed in my trunk on the side to disconnect the battery that I never use.

I should use it more often.

I'll try and post pics of it next time I am with the car, but it's pretty neat to have.

Thanks

1992 Alfa Romeo Spider Veloce, 2017 Alfa Romeo Giulia, 2018 Volkswagen Tiguan SEL Premium
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post #14 of 19 (permalink) Old 10-10-2019, 03:09 AM
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I got 12 years out of my last battery, - with a Kill Switch & a C-Tek battery conditioner.
Just replaced it about 3 months ago...
.

Nick W.
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post #15 of 19 (permalink) Old 10-10-2019, 10:30 AM
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I am with Spiderserie4 on this. The battery in mine is a Bosch S5 with a battery disconnect. So far its lasted over 10 years. A recent load test shows its in good condition. The car is kept in a warm garage so the battery never gets exposed to temperature extremes.
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