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Battery Blankets a Thing?

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Old Oct 11, 2022 | 06:27 PM
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Battery Blankets a Thing?

After pulling out my leaky disentigrating FoMoCo

batteries and installing two new Everstarts from Walmart, I tossed the original battery blankets. What would be the point of replacing them?
 
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Old Oct 11, 2022 | 06:30 PM
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Minor insulation from extreme heat?
 
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Old Oct 11, 2022 | 06:50 PM
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Just curious, how old were they? My truck is right at a year and one is leaking already. Looks like they did a good job of absorbing the acid at least!
 
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Old Oct 11, 2022 | 07:20 PM
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The "point" of replacing the blankets would be to help protect them from thermal extremes, hopefully to make them live longer.
If you live in a moderate climate then you won't get as much benefit from the blanket.
 
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Old Oct 11, 2022 | 07:29 PM
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Originally Posted by BSHORT
Minor insulation from extreme heat?
This is a thing, yes. My F-150 had one that lasted 15 years. It was made of corrugated plastic, something like a cardboard box only a good quality black plastic. The purpose is to extend battery life by insulating it from engine heat. There are aftermarket replacements, but you can buy a thin foil insulation blanket from Lowe's or Home Depot and make one.

Keep us posted on the EverStart batteries. They are highly rated. Will likely be my choice when the time comes.
 
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Old Oct 11, 2022 | 07:56 PM
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Some manufacturers equip them in extremely cold locations like the block heater for free or "standard equipment" but they do virtually nothing in the cold. I've been in the Arctic and I've been in the desert where it's regularly over 120 Fahrenheit and only had 1 vehicle with a battery blanket and I forgot to reinstall it when I replaced the original battery after being 4 years old.
They are pretty useless.
 
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Old Oct 12, 2022 | 05:15 AM
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Leaking Ford batteries is a thing and has been well documented here on the forums. They all lead around the battery post. You can get a warranty replacement, if your still within you three years, but they give you a new set of leaky batteries.
 
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Old Oct 12, 2022 | 05:17 AM
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Project Farm of YouTube fame tested several batteries and the Walmart EverStarts excelled. I paid around $230 for two Group 65N 850 CCA. I would have gone with AGM but don't have forscan to change the charging profile.
 
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Old Oct 12, 2022 | 08:24 AM
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Originally Posted by Baja Fog
Project Farm of YouTube fame tested several batteries and the Walmart EverStarts excelled. I paid around $230 for two Group 65N 850 CCA. I would have gone with AGM but don't have forscan to change the charging profile.
I just replaced my 6 year old Motorcraft batteries with AGM’s. I haven’t heard about having to change anything in forscan. Can you enlighten me?
 
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Old Oct 12, 2022 | 08:26 AM
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Originally Posted by Baja Fog
Project Farm of YouTube fame tested several batteries and the Walmart EverStarts excelled. I paid around $230 for two Group 65N 850 CCA. I would have gone with AGM but don't have forscan to change the charging profile.
Yep, that is why I went with an Everstart in our Honda.

I have heard both ways as far as using AGM. Some change it and others don't. I am also curious exactly what the change does?
 
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Old Oct 12, 2022 | 08:50 AM
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Originally Posted by DeputyDiesel
I just replaced my 6 year old Motorcraft batteries with AGM’s. I haven’t heard about having to change anything in forscan. Can you enlighten me?
Read this previous discussion
https://www.ford-trucks.com/forums/1...setting-3.html
 
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Old Oct 12, 2022 | 09:09 AM
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Blankets give the mice something to chew on instead of wires.
 
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Old Oct 12, 2022 | 09:20 AM
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Originally Posted by OBS460
Some manufacturers equip them in extremely cold locations like the block heater for free or "standard equipment" but they do virtually nothing in the cold. I've been in the Arctic and I've been in the desert where it's regularly over 120 Fahrenheit and only had 1 vehicle with a battery blanket and I forgot to reinstall it when I replaced the original battery after being 4 years old.
They are pretty useless.
During the 4 years I lived in Fairbanks it would be impossible to start a vehicle at minus 50 F if it did not have a heated battery blanket wrapped around it unless the vehicle was inside a heated garage.
 
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Old Oct 12, 2022 | 10:04 AM
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Originally Posted by RandyinTN
During the 4 years I lived in Fairbanks it would be impossible to start a vehicle at minus 50 F if it did not have a heated battery blanket wrapped around it unless the vehicle was inside a heated garage.
Heated, yes. Are any of the factory ones heated?

Dave
 
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Old Oct 12, 2022 | 10:33 AM
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Originally Posted by DPelletier
Heated, yes. Are any of the factory ones heated?

Dave
Exactly. None of the factory ones are heated. The military doesn't use any of that crap except block heaters and even then they made a big deal about us plugging them in for a week in between starts. We would have about 5% of our trucks that would start and then we would have to jump all the rest off those.
 
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