Battery life ?

James Ward · Feb 20, 2020

My 2015 Tahoe LT is starting life at 5 years, so I was wondering how long I could look at the life of my original battery. It's a

ACDelco Advantage Battery 94RA Group Size 94R 720 CCA

How long does a factory installed battery last ? Not too expensive, but a bear to get out and install a new one !

OR VietVet · Feb 20, 2020

Anytime after 3-4 years I pay close attention to a new battery that I put in or the battery if I know through maintenance paperwork how old it is. I have owned my 2002 Tahoe since July of 2014. The original owner said they replaced the battery 4 months before that and supplied the paperwork. I will likely be replacing that battery sometime before July if I don't do it sooner. I hate a dead battery and can see signs during start up and gauge readings of a possible battery or alternator problem. I hate surprises. Do you? I would plan on a battery replacement within the next 6 months. You have a 50/50 chance of a no start happening in your driveway or somewhere else.

James Ward · Feb 20, 2020

PNW VietVet said:
Anytime after 3-4 years I pay close attention to a new battery that I put in or the battery if I know through maintenance paperwork how old it is. I have owned my 2002 Tahoe since July of 2014. The original owner said they replaced the battery 4 months before that and supplied the paperwork. I will likely be replacing that battery sometime before July if I don't do it sooner. I hate a dead battery and can see signs during start up and gauge readings of a possible battery or alternator problem. I hate surprises. Do you? I would plan on a battery replacement within the next 6 months. You have a 50/50 chance of a no start happening in your driveway or somewhere else.

Thank you, yeah this is the original and I bought it in 2019, so I assume it was the original and since It sure looks like it's been in there since the factory, making it close to 6 years old or so. I have to get a new one and it's not too expensive $157.00 but it it going to take some talent to get out and a new one in. I'll start making a plan now !

Larryjb · Feb 20, 2020

Check out Pulsetech. I got improved performance out of a couple of batteries using their pulse charger. One battery showed as "discard" after 24 hours. I turned it off, gave the battery a rest for a short while, then hooked it up again and left it pulsing for a few weeks. It back in service in my Tahoe.

I also use a plug in voltmeter to monitor the voltage instead of relying on the dash gauge. I see it accepting a charge of between 14.3 and 14.6V. After 24 hours it seems to come to a rest of 12.3 V while connected.

James Ward · Feb 20, 2020

Larryjb said:
Check out Pulsetech. I got improved performance out of a couple of batteries using their pulse charger. One battery showed as "discard" after 24 hours. I turned it off, gave the battery a rest for a short while, then hooked it up again and left it pulsing for a few weeks. It back in service in my Tahoe.

I also use a plug in voltmeter to monitor the voltage instead of relying on the dash gauge. I see it accepting a charge of between 14.3 and 14.6V. After 24 hours it seems to come to a rest of 12.3 V while connected.

Hi, Mines still working, but since it's close to 6 years old, I don't know how long it'll last. What is the best replacement ? another AC DELCO is only 18 months warranty ?

James Ward · Feb 21, 2020

Great news, I got to wondering since the truck was a lease vehicle if the dealer noted on the CarFax might know something about the battery, if it was original or not, gave the noted dealership a call and yes indeed, a new battery was installed on April 8, 2019 ?

OR VietVet · Feb 21, 2020

Yea, you are good to go then. Info is power.

swathdiver · Feb 21, 2020

James Ward said:
Great news, I got to wondering since the truck was a lease vehicle if the dealer noted on the CarFax might know something about the battery, if it was original or not, gave the noted dealership a call and yes indeed, a new battery was installed on April 8, 2019 ?

Write down the date code on the battery and keep track in case you forget in a couple of years.

Black Limited · Feb 24, 2020

Keeping your battery cables clean of corrosion will extend battery life, depending on cold starting conditions, I can get

4-5 years, sometimes 6 years, all while spending time outdoors, maybe get an extra year if parked in garage.

Pay attention to your cranking over of motor, during start ups...…………...

sonic_the_hedgeh · Feb 25, 2020

James Ward said:
Hi, Mines still working, but since it's close to 6 years old, I don't know how long it'll last. What is the best replacement ? another AC DELCO is only 18 months warranty ?

I bought a new AGM battery (dry cell) works really good. As well I did purchase a DeWalt 1000 watt power station just in case I need to boost someone. The battery I bought has a 5 year warranty. I bought it from Canadian Tire.

Then again if you are from the USA could always see if a place has an optima agm on sale.

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Battery life ?

James Ward

2015 Tahoe LT

OR VietVet

Multnomah Falls

James Ward

2015 Tahoe LT

Larryjb

Full Access Member

James Ward

2015 Tahoe LT

James Ward

2015 Tahoe LT

OR VietVet

Multnomah Falls

swathdiver

Full Access Member

Black Limited

TYF Newbie

sonic_the_hedgeh

Full Access Member

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