Who has the oldest functioning original 12V battery??

[Mach1E]

The irony of worrying about the longevity of a $200 battery while we all also have a $30,000 one.

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[Teslaeata]

Using an Ancel BA101 battery tester……….
Now, the health of my 2024 Maverick, that’s another story! Bill P

Good idea!

Will get out my Snap-On battery tester later and give that a whirl.

 

[Teslaeata]

The irony of worrying about the longevity of a $200 battery while we all also have a $30,000 one.

I never worry about it, only really slightly interested, it’s the LVB paranoiacs that make me smile frequently checking, posting, conditioning, flapping, changing at or around 3yrs for no good reason etc etc!

 

[Teslaeata]

October ‘21, build date……48 months….., health is still showing 100%, however, I do have a new battery ready to go, when the need arises…… Bill P

The Snap-On reads 80% and well into “Good Battery” SoH area on gauge so OK for a good while longer.

 

[Murse-In-Airy]

Didn’t read all 16 pages. But pretty sure I’m winning the endurance race. And I live where -20° F isn’t even unusual in February. Karma will probably get me any moment now.

 

[p_haze]

21 FE, about 49K miles. Original battery.

I received a "Check 12-Volt Battery" message in September. Was finally able to get to the dealer today and they said the battery is "totally fine" and that the message in the app is "not reliable".

Now, I am not sure what to do. Just wait for the battery to fail if the app is not reliable?

 

[sparkout]

21 FE, about 49K miles. Original battery.

I received a "Check 12-Volt Battery" message in September. Was finally able to get to the dealer today and they said the battery is "totally fine" and that the message in the app is "not reliable".

Now, I am not sure what to do. Just wait for the battery to fail if the app is not reliable?

I would do it. It's time now that you got a warning, even if it's unreliable.

 

[karbar2004]

Had my 21 FE Build date dec 2020 53000 mi march 21 purchase in for rear doors recall
Had battery checked Nov 25 still well in tolerance

 

[DanBGolf]

Just had my Job One MME in for the battery recall and had the tech check the State of Heath of my 12V battery....after 54 months (build date May 2021) I am still at 69% SoH. But I do keep a close eye on it and will replace soon. Also, just FYI, I just replaced my OEM Michelin Primacy A/S tires at 52,000. Must be living right.

 

[Mach-e4x]

10/20 build date, premium, AWD ER - Original 12v battery - Purchased 8/21. Only 31K miles.

 

[Wideguy]

Dealer received the car in March of 2021. We bought the car in August of 2021. Original 12v battery with 53000 miles. Getting the warning in the app. Dealer checked battery and said it was fine. We told the dealer to change the battery anyway. They said they reset the BMS but I am still getting a warning in the app to Check 12V Battery.

 

[GreaseMonkey]

21 FE, about 49K miles. Original battery.

I received a "Check 12-Volt Battery" message in September. Was finally able to get to the dealer today and they said the battery is "totally fine" and that the message in the app is "not reliable".

Now, I am not sure what to do. Just wait for the battery to fail if the app is not reliable?

I would change it. Think of this as a preventative maintenance item, like your furnace filter. You don’t typically wait till it’s completely clogged before changing it. We know what’s going to happen to all batteries, so it’s not whether, it’s when to change it.

 

[p_haze]

21 FE, about 49K miles. Original battery.

I received a "Check 12-Volt Battery" message in September. Was finally able to get to the dealer today and they said the battery is "totally fine" and that the message in the app is "not reliable".

Now, I am not sure what to do. Just wait for the battery to fail if the app is not reliable?

I replaced the battery today. About 50k miles. Just out of fear.

 

[o187emdk]

Well finally happened to me. My battery just died 2 weeks ago at the worst time. We were heading out to Disneyland from Phoenix. We are ready to leave get in the car and it won’t start. Codes just start appearing on the screen. Tried jumping the battery but nothing. Called ford dealers, had to get car towed to them. They were able to replace the battery pretty quick but we ended up leaving around 3pm instead of 9am like we originally planned. Lost the whole day, we had planned to go to the park for a few hours and had dinning reservation. We ended up not using one of our 3 days at the park but we can go another time. Also cost me $450 total for the battery replacement and tow. I had my car serviced 5 months ago and battery had tested fine. No low battery codes before it happened either.

 

[Mache_Nor]

The irony of worrying about the longevity of a $200 battery while we all also have a $30,000 one.

It could be a one-million-dollar car, yet it is not stronger than its weakest critical component. In our case (as many stories have illustrated), it just dies without warning at the worst possible times. As a family man these days, everything becomes complicated if things go south all of a sudden. Try living in a really cold country with babies and toddlers who can suddenly be in a life-threatening situation because of a less-than-ideal 12V-monitoring system. It’s not great, hence why I at least worry about it.

Now, my battery is 52 months old and has been through four HVBJBs (but no 12V alerts yet). I have a service planned for February 2026 and will replace it to keep my night sleep (who am I kidding, I’ll sleep well when the kids move out in 18 years ).

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