When to change battery>

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I will replace the five year old Walmart MAX this fall as I don't want to go into winter with a battery that old. It hasn't caused any problems and seems strong as when new.
 
I have the original 8 year old battery still going strong in my Toyota.
I don't drive it every day, low mileage 48K miles so far.
I charge it at 14V on an adjustable 4A power supply overnight every 3 months.
Planning to change it before next winter.
 
Is that a Panasonic battery? The one in my ECHO lasted 11 years. It would still start the car but was getting slow.

Originally Posted By: circuitsmith
I have the original 8 year old battery still going strong in my Toyota.
I don't drive it every day, low mileage 48K miles so far.
I charge it at 14V on an adjustable 4A power supply overnight every 3 months.
Planning to change it before next winter.
 
Originally Posted By: kschachn
Is that a Panasonic battery? The one in my ECHO lasted 11 years. It would still start the car but was getting slow.

Originally Posted By: circuitsmith
I have the original 8 year old battery still going strong in my Toyota.
I don't drive it every day, low mileage 48K miles so far.
I charge it at 14V on an adjustable 4A power supply overnight every 3 months.
Planning to change it before next winter.

Yes Panasonic batteries are amazing. Here in Florida, I see regularly 5 years from them even though they are in scorching heat for most of the year.

Typically I only seem them installed on cars that were built in Japan. Japanese cars built in the USA usually have JCI or Exide batteries with a different label on them.
 
Originally Posted By: morris
now that i am retired and cant work on my truck my self any more. i find that if i just replaced the battery and starter every 4 years i do fine. and get a tune up once in a while.


Replacing the starter every 4 years sounds like a waste of money to me.
 
Especially since I just took one off a friends old Nissan Van with 394,000 miles on it!

Plus, if you buy enough starters, sooner or later you'll get a bad one right in the box. Don't ask me how I know this...
 
Originally Posted By: SteveSRT8
Especially since I just took one off a friends old Nissan Van with 394,000 miles on it!

Plus, if you buy enough starters, sooner or later you'll get a bad one right in the box. Don't ask me how I know this...


I remember my sister getting 2 or 3 faulty starters in a row on her Firebird Formula. The shop that we took it to started to get frustrated with us (like it was our fault?!)
 
This has always seemed like a pretty good guideline:

SearsBatteryMap_01AUG13_zps70d4cdd6.jpg


Moderately hotter climates require more frequent replacement, while moderately colder climates require less frequent replacement.

HTH
 
Originally Posted By: Kira
Hello,
A pampered car which logs 1,000 miles per year which sits on a pillow in a garage can have a battery which can last 15 years. Not so with a real car. Kira


That's true. I have a 1987 Ford diesel tractor with an 11 year old battery that was pulled from a 1981 Mercedes 300D. Ford tractor gets used about 4 times per year. Battery gets placed on a smart charger every 3-4 months.

A battery will perform X numbers of starts.
A battery drained below 12 volts almost never recovers.
If you love your family pay close attention to the battery.

Please allow me to post this long read all about all types of batteries.

http://vintagetrailertalk.freeforums.net/thread/227/batteries-electric-stuff-archve
 
Yeah I worked for one of the world's largest battery manufacturers, and they used to always note that it was the heat that killed batteries, not the cold. That is a good chart.

Originally Posted By: gaijinnv
This has always seemed like a pretty good guideline:

SearsBatteryMap_01AUG13_zps70d4cdd6.jpg


Moderately hotter climates require more frequent replacement, while moderately colder climates require less frequent replacement.

HTH
 
Originally Posted By: wrcsixeight
I don't trust any battery tester to give an accurate CCA remaining rating. The results can vary even wider depending on whether the place doing the testing can profit from selling you another battery, or profit by denying warranty claims.


Have to agree. 2013 Tacoma stopped holding a charge if it sat for 24 hours. Had it tested at 2 different dealers, Advance, AZ, tested for slow drain myself. All test showed good. Replaced it at company expense and it has been fine for 4 months.
 
I just replaced a car battery yesterday. The old one had 1-2 bad cells and I could barley start the car even with a battery charger attached to it (with start mode on charger). 4 years and 9 months on a 9 year battery too! Walmart did give a gift card for the prorated amount. I went to Pep Boys to get the replacement because Walmarts near me don't carry dual terminal batteries (I got a Group 75DT battery).
 
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