Battery Blanket - Replace it or not? - Page 3 - Ford Mustang Forum
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post #31 of 50 (permalink) Old 01-03-2019 Thread Starter
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Originally Posted by Old Goat Ninja View Post
I caved in and Googled it. It's to keep battery from freezing. I live in California, I'm not too worried about it lol.
There seems to be conflicting "Facts" about these things. However I have done some research on it as well, and I see no need to replace MINE. If I move to the antarctic in the future, I'll get a heated model at the same time I get my block heater. Of course, I'll have a heated garage, so on second thought, I won't.



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whooda thunk a thread about the battery blanket would go to three pages? LOL, I guess we have nothing better to talk about . . .

I don't see how that thing can provide any kind of significant thermal insulation. Yeah OK if the car suddenly went from hot to cold, or cold to hot environment, that blanket would slow down the heating or cooling of the battery a little bit; I guess it might reduce "thermal shock" (meaning sudden and drastic change in temperature). But if I park my car outside overnight, and it is 10 below zero outside, that battery is going to be at 10 below by morning, with or without that blanket.

And if it was going to catch an acid leak, it would need a bottom . . .

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post #33 of 50 (permalink) Old 01-03-2019 Thread Starter
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Originally Posted by JBert View Post
whooda thunk a thread about the battery blanket would go to three pages? LOL, I guess we have nothing better to talk about . . .

I don't see how that thing can provide any kind of significant thermal insulation. Yeah OK if the car suddenly went from hot to cold, or cold to hot environment, that blanket would slow down the heating or cooling of the battery a little bit; I guess it might reduce "thermal shock" (meaning sudden and drastic change in temperature). But if I park my car outside overnight, and it is 10 below zero outside, that battery is going to be at 10 below by morning, with or without that blanket.

And if it was going to catch an acid leak, it would need a bottom . . .
I was thinking the same thing about the longevity of the thread. AFM has been really slow lately, so anything to talk about is better than crickets chirping

Regarding the thermal protection... I totally agree with your logic.


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Maybe we need to have a poll on whether to keep the blanket or delete it.

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post #35 of 50 (permalink) Old 01-04-2019 Thread Starter
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Maybe we need to have a poll on whether to keep the blanket or delete it.
I don't think so. Overwhelmingly, the text poll already shows it would say... Ditch The Blanket...
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Originally Posted by Mac The Knife View Post
What if they put the blanket on the battery, not for heat, but for in cases of collisions to help contain the battery acid?


I doubt the blanket would do much to contain acid in a serious collision.

When I replaced my battery (Ď14 GT) last year I debated getting rid of the blanket as it was slightly degraded. I decided to keep what was there as Iíve seen 2 battery explosions in the past and I figure the small amount it might contain is better than nothing in the rare event it explodes. YMMV.


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Quote:
Originally Posted by gostang9 View Post
I doubt the blanket would do much to contain acid in a serious collision.

When I replaced my battery (Ď14 GT) last year I debated getting rid of the blanket as it was slightly degraded. I decided to keep what was there as Iíve seen 2 battery explosions in the past and I figure the small amount it might contain is better than nothing in the rare event it explodes. YMMV.


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Jockey shorts contain more energy than that thing would.
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Originally Posted by Dana W View Post
Jockey shorts contain more energy than that thing would.


Lots of potential in those shorts!

My wife had a VW Cabrio and it put a minor dent in the hood when the battery popped. No clue why it happened, but it blew when I went to start the car. We heard a loud bang and saw the hood jump. When I opened the hood we saw the battery broken apart.


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post #39 of 50 (permalink) Old 01-20-2019 Thread Starter
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It happens... short in battery builds heat, gas escapes into engine compartment, cranking car created a spark, gas ignites and goes boom.

It happend to me a couple of decades ago. Iíll upload a pic of all the damage. My truck caught on fire and was totaled...

{sarcasm}
A battery blanket would have saved the day.
{/sarcasm}
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I could be wrong, but I believe as car battery discharges, hydrogen gas is released.
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post #41 of 50 (permalink) Old 01-20-2019 Thread Starter
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Originally Posted by az.dsrt View Post
I could be wrong, but I believe as car battery discharges, hydrogen gas is released.
Actually, it releases gas primarily when being charged, and yes, it's hydrogen gas.


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Originally Posted by crjackson2134 View Post
It happens... short in battery builds heat, gas escapes into engine compartment, cranking car created a spark, gas ignites and goes boom.



It happend to me a couple of decades ago. Iíll upload a pic of all the damage. My truck caught on fire and was totaled...



{sarcasm}

A battery blanket would have saved the day.

{/sarcasm}


I get the sarcasm, and in your case it would be right.

In the case of my wifeís car, the explosion wasnít outward as much as upward. Battery blanket wouldnít save it all, but would be enough to keep some acid away from spilling into the engine bay. I didnít make a strong argument insisting anyone needs to keep the blanket, merely commented that I kept mine for this reason.

Just another dimension to the discussion.


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Hmmm, that`s odd. My `13 GT still has the original battery & the blanket & battery still look like new. I guess there is some benefit to only having 1937 miles on it. Also, mine came with the mini spare & the convertible boot that some are having a hard time finding.
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post #44 of 50 (permalink) Old 02-10-2019 Thread Starter
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My battery still looked new except for the non-stop corrosion on the battery posts. The battery had no power issues when I replaced it. It was leaking/gassing around the terminal posts and eating my harness connector. Constant and repetitive cleaning took itís toll on the blanket.

Terminals are clean as a whistle since removing the plastic gasbag...


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Originally Posted by kenv View Post
Hmmm, that`s odd. My `13 GT still has the original battery & the blanket & battery still look like new. I guess there is some benefit to only having 1937 miles on it. Also, mine came with the mini spare & the convertible boot that some are having a hard time finding.
I took my Mustang, "Trixie", out for a run today and put 50+ miles on her. I can't understand you have barely gotten past the break-in miliage.

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