Battery blankets anyone?

Jobi-Wan Kenobi · Jan 21, 2025

Anyone live in cold climates and had any luck using a battery blanket? We've had 2 mornings here in a row of hellish cold temps (this morning was -25) and I had to replace my 2 year old battery today. The engine started yesterday but I do kinda wonder now if the cold was already taking its toll on the battery at that time. I can't help but wonder though if using a battery blanket would have helped prolong the life a bit.

Thoughts?

Scottydoggs · Jan 21, 2025

i knew a guy on a grand prix forum years ago, he was in the army in Alaska, so very cold. he had a battery warmer, block heater, oil pan pad heater as well as a trans pan heater on his car. and all that helped when it was neg degrees out, aka most of the time for him.

so yeah its worth it. a battery tender might also help keep it fully charged.

Doubeleive · Jan 21, 2025

I have mine heat foil insulation wrapped and a battery cover I guess you could call it a blanket from a corvette
I do this due to hopefully help reflect the heat rather than cold, you could probably get away with a lizard heater, just get one long enough to wrap around it and then you can just tuck the cord in when you unplug it. I am assuming you have the block heater already? if not that's a easy add-on

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frank1 · Jan 22, 2025

Years ago, I worked at a coal mine in northern BC, the battery blanket save the truck many times. I would have synthetic oil, block heater and battery blanket. It was cold, truck door won't close cold, the battery blanket saved the truck

GMCChevy · Jan 22, 2025

One of my trucks came with a factory one.
We have several days a year of those super cold temps and unless the battery is older it's never been an issue. But yjose super cold temps are when battery problems show up so it doesn't hurt to have one.

S33k3r · Jan 22, 2025

Take a look at the items available to diesel trucks. Diesel does not like freezing temperatures. So they have things like induction heaters and other cool stuff. My Duramax has a factor block warmer, but I haven't figured out how to use it yet... Although I have been told Duramax will start without using it up until about 0 degrees F.

Jobi-Wan Kenobi · Jan 22, 2025

Thanks guys. Right now I have no heating aids of any kind. Prior to me having the vehicle it spent its life in Arizona up until 2017 when the previous owner had bought it here in Wisconsin. I do run mobil 1 for engine oil.

B-train · Jan 22, 2025

Battery warmers have their place and can be helpful. I've seen the other side of them where they overheat the battery and it blows up (generators is where I've seen many fail). But, if you are the one who plugs and unplugs it only for night hours, then you should be fine.

I too am a WI guy and never needed to use one, even down to our -27F crap we had a few years back, and just recently in the -10 range. However, a few bucks on a blanket and a dollar of electricity may save MANY minutes of cussing and disruption if the cold does kill one, so have at it!

homesick · Jan 23, 2025

IDK how effective they are, but my dad used to use a heated dipstick.

joe

Fless · Jan 23, 2025

Back when we had real light bulbs we'd hang a 100w bulb next to the oil pan to generate some heat. We also had some funky inline radiator hose heaters that could be plugged in to keep the antifreeze warm.

Battery blankets anyone?

Jobi-Wan Kenobi

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Scottydoggs

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Doubeleive

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frank1

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GMCChevy

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