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Re: When to replace a battery? [Re: 2010Civic] #5283520 12/02/19 10:55 PM
Joined: Sep 2007
Posts: 749
Driz Offline
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Posts: 749
Originally Posted by 2010Civic
I replace the battery when I notice it getting sluggish.



Me too. There is a better way though A good addition to your tools is one of those $25 or cheaper battery testers. Amazon has them . It’s like a stress test for your battery when you push the load button.. it’s one of the few metal cased devices I’ve seen in years. It has to be to take the heat when that battery heats up its inner pile. Stinks so good🙊 but it will tell you exactly how much juice your battery really has while it’s cranking.

Re: When to replace a battery? [Re: Chris142] #5283566 12/03/19 12:06 AM
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painfx Offline
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Rule of thumb is to replace every 4 years. That is what I do.

As for battery testing and inspection, check for signs of corrosion. Do a battery load test with a carbon pile VAT 40 or some that can apply a load , anything over 10 Volts is consider good.

Or you can just disable the fuel or ignition, crank the vehicle and measure voltage should be above 10 volts is consider good.

Re: When to replace a battery? [Re: Chris142] #5283567 12/03/19 12:12 AM
Joined: Oct 2009
Posts: 5,966
JohnnyJohnson Offline
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When the battery reaches it months of service date. On my Corolla it was 84 months the battery had passed that date by 5 months and winter was coming. I replaced it then even though I hadn't had problem one with it.

[Linked Image]

Last edited by JohnnyJohnson; 12/03/19 12:14 AM.

2004 Corolla 138781
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In: Pennzoil Platinum HM 5W-20 ST 4386
2006 Duramax 77060
Out: T6 5W-40 XG9100 73909
In: Rotella Dino PH9100 11-3-19
Re: When to replace a battery? [Re: 2010Civic] #5283584 12/03/19 02:12 AM
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Panos Offline
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Originally Posted by 2010Civic
I replace the battery when I notice it getting sluggish.


My Banner battery was sluggish before 3 years of use .It is now 8 years old banana still cranking.


Ford Fiesta 1.6 '05 - Motul specific 913D/Motul Gear 300 180K+ Kms
Kawasaki Ninja 250R '08 - Shell Advance Ultra 4T 10w40 75K+ Kms
Honda CBR600F pc41 '14 - Motul 7100 10w30 25K+ Kms
Re: When to replace a battery? [Re: Chris142] #5283634 12/03/19 05:43 AM
Joined: Apr 2010
Posts: 3,966
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atikovi Online Content
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Run it till it dies and keep a jump box in the trunk for when it does.

Re: When to replace a battery? [Re: atikovi] #5283637 12/03/19 05:58 AM
Joined: Dec 2005
Posts: 1,423
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caprice_2nv Offline
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Joined: Dec 2005
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Originally Posted by atikovi
Run it till it dies and keep a jump box in the trunk for when it does.


I like that idea other than the questionable reliability of a lot of the jump packs and trying to remember to keep it charged up.

I usually run them til they sound like they're going to die, or I load test them at the start of the winter and they fail. I had one fail in the middle of the summer in my winter car when it had been sitting for a couple of weeks. It was 5 years old. The one before that failed on a minus 20c morning (it was probably older than 5 years old). I always get hand me down batteries. This is the first year I ever bought a brand new one in my life.


84 Olds Cutlass - 350 Olds
83 Chevy Caprice - 305 Sbc
79 Honda CX500
Re: When to replace a battery? [Re: atikovi] #5283647 12/03/19 06:12 AM
Joined: Oct 2008
Posts: 14,373
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Sayjac Offline
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Joined: Oct 2008
Posts: 14,373
Quote
Run it till it dies and keep a jump box in the trunk for when it does.
Exactly what I've done. And not long ago ~7year old AC Silver died. Put this GooLoo jumper on 3.0L Accord, worked like a champ. My better half amazed how easy to hook up and how well it worked. I hadn't charged it in quite awhile and had 3 out of 4 bars. Just as a test, when car got home tried again, worked again. I got the jumper early last year on an Amazon deal, <$35.

That said, may not be the best option for everyone but I'm sold.

Re: When to replace a battery? [Re: Chris142] #5283656 12/03/19 06:46 AM
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Posts: 23,828
Mr Nice Offline
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How reliable are those 'jump box' ?

Re: When to replace a battery? [Re: Chris142] #5283657 12/03/19 06:49 AM
Joined: Aug 2010
Posts: 7,267
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Kira Offline
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Posts: 7,267
'Twas the aircraft mechanic next door during my childhood who I can remember hearing say, "After 3 years a battery doesn't owe you a thing".

And that was long before the era of constant computer drain in cars.

I kick myself for not picking up that Snap-On pile battery tester at that garage sale.....it was $5.

Re: When to replace a battery? [Re: Chris142] #5283659 12/03/19 06:53 AM
Joined: Jun 2002
Posts: 2,614
Bud Offline
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Since all of my driving now is within ten miles of my house, I won't replace mine until it dies. I carry a portable power pack that I keep charged up and if that doesn't work I will call AAA.


2016 Honda Pilot EX-L with NAVI.....Mobil 1 0w20 AFE and Honda OEM Filter
Re: When to replace a battery? [Re: Chris142] #5283668 12/03/19 07:05 AM
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PowerSurge Offline
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I always replace mine when I begin to hear the starter spin slightly slower. And I periodically test my batteries with one of these:

https://www.amazon.com/OEMTOOLS-24338-100A-Battery-Tester/dp/B07FQ1G327/ref=sr_1_16?crid=31KJS5IKW1Z55&keywords=battery+load+tester&qid=1575378277&sprefix=Battery+load%2Caps%2C201&sr=8-16

Re: When to replace a battery? [Re: atikovi] #5283671 12/03/19 07:16 AM
Joined: Jul 2019
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PowerSurge Offline
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Originally Posted by atikovi
Run it till it dies and keep a jump box in the trunk for when it does.


Then you take the chance on being stranded. I have jump starters in my vehicles but I don’t rely on them to keep me from getting stranded. Those things die all the time. I’d rather spend the money than go cheap and have my day ruined. It also puts more strain on the starter motor when it’s running at a reduced voltage.

That’s why in all my decades of driving none of my vehicles have ever left me walking.

Last edited by PowerSurge; 12/03/19 07:18 AM.
Re: When to replace a battery? [Re: Chris142] #5283675 12/03/19 07:29 AM
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DzoG20 Offline
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Joined: May 2017
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Originally Posted by Chris142
The tester showed that my battery was fully charged but only had 80% of its rated capacity.


Do you mean 80% of the CCA rating or Reserve capacity ?

My 3 years old OE panasonic battery showed the spec CCA on the test(at AA) but turned out it had only about 10% of the reserve capacity left.
Car was starting fine with fully charged battery, but after some headlights testing on the battery alone(don't ask ...) - it did not start, almost not turning at all the 2.0L engine. Got it completely charged on 1A charger for only 5h (spec is 60Ah) and the car started without a hiccup. One hour later this battery was on the recycle pile.

Re: When to replace a battery? [Re: Chris142] #5283709 12/03/19 08:11 AM
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Gebo Offline
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After 60 years, I have purchased a couple of those electrical system checkers that I use every year. I will auto replace at 5 years. I've experienced too many weak battery/alternator problems. Not worth it over $20/year savings.


'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 70K

Shell Gas and Truck 5W-30
QS HM 10W-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: When to replace a battery? [Re: Chris142] #5283788 12/03/19 09:27 AM
Joined: Jan 2017
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64bawagon Offline
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Posts: 246
2010 Wrangler with Spring 2009 build date, still has original battery, still holds 12.2-12.3v after sitting for a week. I am playing on house money.


64 Chevy wagon, 10 Jeep Wrangler, 18 Silverado 1/2 ton
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