How old are the batteries in my car?
The batteries in our cars in the last twenty plus years have never been replaced. They were all 8 to 10 years old. I really can’t remember the last one but it was a car 12 years old we turned over to our kids.
What’s the longest life a car battery can last?
About 2 weeks later the battery failed completely without warning, the car wouldn’t even jump start. And a month after that the car needed an alternator. I suspect driving around with a 12 year old battery shortened the life of the alternator. I don’t bother testing batteries less than 3 years old unless there’s a complaint.
How often should a car battery be replaced?
However, not every failing battery reveals itself through obvious symptoms. To avoid being stranded by a battery problem, have the battery inspected at every oil change to make sure the cable connections are clean and tight, and the hold down hardware is secure. Once a battery reaches three years of age, have it tested annually.
What can shorten the life of a car battery?
Missing or loose hold downs can significantly shorten battery life. While less common than the factors above, a malfunctioning charging system will also reduce battery life. Persistent under- or over-charging accelerates battery aging.
The batteries in our cars in the last twenty plus years have never been replaced. They were all 8 to 10 years old. I really can’t remember the last one but it was a car 12 years old we turned over to our kids.
Why does my car battery last so long?
Short car battery life, less than 3 or 4 years, can be related to several different problems, such as lack of use, corrosion, excessive deep cycling, electrolyte evaporation, damage, or charging problems. How Does a Car Battery “Die?”
When to replace a 3 year old battery?
That guy is dead wrong about batteries. After the battery is 5-6 years old he may have a point. A certain percentage of batteries will have a very short lifespan from new. What happens if one replaces the 3 year old battery and happens to end up with one of that short-lived percentage?
How often do car batteries need to be replaced?
Many poster here will testify that a good battery will easily go 5-6 years before needing replacement. The batteries in our 10 year old Toyota and our 5 year old Mazda are still the original, and still test right up to scratch. If you live in Central Alaska and have many cold starts a 3 year replacement might make sense.