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I may be wrong, but I believe the battery being located under the hatch vs. under the hood definitely adds to its longevity. I had an '99 BMW that also had the battery in the trunk, and it was going strong after 7 years in the AZ desert (car got totaled or I believe I'd still have it. It was a flawless car).
My Lexus, on the other hand, goes through 84 month batteries in less than three years.
Batteries are completely unpredictable. They can be bad out of the box, fail at 6 months, or still be going strong at 7 years. However both extremes are rare. The problem with batteries more than 4-5 years old is that they are more likely to fail suddenly and without warning.
I just had a 6 year old battery fail in my truck without warning, and it had just been load-tested as completely healthy the week before. I generally replace them every 4 years.
I just had a 6 year old battery fail in my truck without warning, and it had just been load-tested as completely healthy the week before.
I have heard a few people now where that has happened, makes me wonder why they even bother doing that test in the first place since it seems pretty useless.
We know what the life expectancy is. The question could be rephrased possibly to "how long can I expect my battery to last"? That is why i changed mine out after 32 months to a new AC Delco. The 42 month version. Cheap insurance in my opinion. These batteries are good, and test good, and then the next day...............BANG!............... Dead.
I don't ever want that to happen. To inconvenient for me. When you consider the cost compared to the inconvenience? No brainer for me. I do respect the wait for it to die school. But I never attended that one.
I have 4 years on mine and no problems yet. Use a battery tender all the time and store in heated garage in the winter.
Someone mentioned poor correlation with the key fob.
I had this problem after 3 years and the batteries in both sets of fobs needed to be changed.
Well I bought a battery tender the day I bought the car ( 2014 z-51 in march 2014 ) and had never needed to put the BT in place until about 4 months ago and because the Fob's weren't working very well I also changed the batteries !!! The battery tender was on the car overnight and a few hours more to reach full charge !!! Since then the car starts up fine and the clues to the problem was known to me because C 6 club owners at my Corvette club said that the car is always looking for the fobs and other things known to be battery draining events when the car is not running !!! I previously had a C 5 and That issue never came up no matter what time frame it was from one driving experience to another !!! Wayne
Looking for some info on battery life in my 2016 Stingray. My Vette just had its 36th month of warranty completed and I went to start it after it sat idle for 10-12 days. When I attached the battery maintainer, it read the battery was at 42%.
Past experience when I checked it was in the 90-95% range. My battery tester was at 13 volts but that was after the maintainer was hooked up. I know these cars use up batteries (my C5 went thru a few) but I thought the original would
last longer than three years! Anyone else having battery issues? Thanks in advance.
A battery that matches or exceeds power requirements specified by the vehicle's manufacturer, vehicle's charging/starting system has been and is in good condition, battery trickle charged (battery tender) when stored, installed in a vehicle used/stored in a moderate climate (batteries will not last as long in HOT <especially> or cold climate) should last 5-6 years.
Good idea to start looking to replace at 5 years old.
I base this opinion on my owning/operating a chain of auto parts stores over 16 years and buying/selling/warranting literally thousands of batteries over the years.
Last edited by Kevin A Jones; Oct 4, 2018 at 09:28 PM.
Batteries are completely unpredictable. They can be bad out of the box, fail at 6 months, or still be going strong at 7 years. However both extremes are rare. The problem with batteries more than 4-5 years old is that they are more likely to fail suddenly and without warning.
I just had a 6 year old battery fail in my truck without warning, and it had just been load-tested as completely healthy the week before. I generally replace them every 4 years.
Fairly common for batteries to be bad (from damage) out of the box or within 3-9 months of use. They are very heavy (for size), stored and transported over and over on pallets via forklifts prior to reaching their final destination and it doesn't take much of a jolt/drop to damage one.
I've received pallets where 1/2 the batteries were defective right off the truck.
Also fairly common for an old battery to die soon after load-testing it as it's takes a toll on it.
Last edited by Kevin A Jones; Oct 4, 2018 at 09:41 PM.
I have used a Deltran Battery Tender for the last 30 years and have had batteries last 9 to 10 years. My 2016 C7 is now 3 years old and i hope to get more than 5 years from the battery !!!!
Looking for some info on battery life in my 2016 Stingray. My Vette just had its 36th month of warranty completed and I went to start it after it sat idle for 10-12 days. When I attached the battery maintainer, it read the battery was at 42%.
Past experience when I checked it was in the 90-95% range. My battery tester was at 13 volts but that was after the maintainer was hooked up. I know these cars use up batteries (my C5 went thru a few) but I thought the original would
last longer than three years! Anyone else having battery issues? Thanks in advance.
After taking in all the responses from my thread and since it is near the end of the season here in New England, I will keep the tender on it each time I park it and will replace the battery in the Spring.
Thanks for all replies!
