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Discussion Starter #1
2012.
dead 12 volt battery.
closest NAPA does not have it. i can drive 48 miles to the only NAPA in my state that has one, or take a nice trip to an out of state NAPA that is the next closest.
autozone says they have one online, but wont tell me where it is, only that they will cheerfully ship it to my local store. i have to pay the shipping and they wont tell me the cost of shipping and, even scarier, the cost of "fees".
i would rather not pay $1,000.00 to have it shipped from Guam ,and have to wait 6 months.
does it have to be that battery?
can i just redneck a walmart battery in with some duct tape?
i mean, i know i can physically, and the car will start, but will the Volt computer have a stroke and go into some kind of emergency lock down?
I am not concerned with resale value or voiding the warranty, it is over 100,000 miles and i cant get warranty service, or any service, on it.
no cabin heat and it wont let me charge the battery pack. so, i cant hurt it.
it has been below freezing the last few days so the battery pack probably froze by now anyway.
 

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This post brings up a good question that I'm ashamed to say "too lazy to google". Why does it need to be an AGM battery? Does it have to do with ventilation requirements, placement, etc?
 

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Skip autozone. Junk. It needs to be AGM because it's mounted inside the cabin and it's a better quality built battery.

Do you have a advance near you? TRT41 is the discount code.
 

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Why does it need to be an AGM battery? Does it have to do with ventilation requirements, placement, etc?
Bingo. Traditional batteries will vent hydrogen and oxygen while charging. Not great inside the cabin - think Hindenburg. An AGM won't vent under normal circumstances, the gases get recombined inside the battery.

A lesser reason might be so that there's not a bunch of sulphuric acid splashing around inside the cabin in the event of a serious accident.
 

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It's a bit more work than a typical battery under the hood, but the Volt's is fairly easy to replace also. Grab the carpeted cargo flap and pull straight up and it'll detach. Then there are 4 10mm (I think it was) bolts, one in each of the 4 corners of that big black plastic tray and it lifts right up and out.
 

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Don't McGovern it and try to use a cheap Walmart battery in the volt. The fumes released from a battery can pack a whollup, if not kill you. You don't want to win the next Darwin Award. I forgot to connect the vent hose to my BMW 535i battery under the back seat, and even with the windows open, I had a horrible headache after a short drive. I'm sure I lost lots of brain cells (what precious few I had left) that day.
 

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Not rokit siense. Find an agm that fits and do it. Last battery I got was on Amazon. Next day delivery.

My '70 'Vette had a cabin battery. Normal lead-acid. Not a problem if vented.
 

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Discussion Starter #10
Skip autozone. Junk. It needs to be AGM because it's mounted inside the cabin and it's a better quality built battery.

Do you have a advance near you? TRT41 is the discount code.

there is an advance near me. they have one. ordered it online. 175.00 after the discount code and taxes. in store pick up.
for anyone else looking to do this, you have to create an online account and pay online to get the discount.

thanks.
 

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there is an advance near me. they have one. ordered it online. 175.00 after the discount code and taxes. in store pick up.
for anyone else looking to do this, you have to create an online account and pay online to get the discount.

thanks.
What about the core charge return? Glad it worked out for you.
 

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Discussion Starter #14
it also appears, from searching online, there is no easy way to find a replacement battery on your own, i mean without using the "does this part fit my vehicle" option.
first, a lot of places dont have the AGM type, and they dont all use the same size code and even the ones that had the size said it wouldnt fit.
so, i guess you would have to measure the battery, or bring it with you, and find the right size and shape.
when i use the "does this fit my vehicle", nobody has it.
interstate batteries told me to see my dealer. whatever that means.
i noticed when i took the battery out, there was not a lot of wiggle room, if any. so, unlike the old days with the battery in a tray under the hood and you could easily go a few inches bigger,i think a new battery has to be just about the same size, if not exactly the same size.
just my thoughts, for any one else that wants to try it.
 

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Needs to be AGM: one good reason is that the Car charges that battery at up to 15 Volts.

I am heading into year 6 on my Volt and am thinking about having one on hand as I still have my original battery.

I do have a !2 V Voltage/temperature monitor meter in the front cup holder
 

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Bingo. Traditional batteries will vent hydrogen and oxygen while charging. Not great inside the cabin - think Hindenburg. An AGM won't vent under normal circumstances, the gases get recombined inside the battery.

A lesser reason might be so that there's not a bunch of sulphuric acid splashing around inside the cabin in the event of a serious accident.
That was my suspicion. I knew conventional batteries had a tendency to vent hydrogen which is why one should never make the final connection near the battery when jump starting (ground to engine/frame). Good point too about the acid. Apparently that was never considered on the old VW Beetle as they placed it under the rear seat.
 

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Not rokit siense. Find an agm that fits and do it. Last battery I got was on Amazon. Next day delivery.

My '70 'Vette had a cabin battery. Normal lead-acid. Not a problem if vented.
70's cars, even 'Vettes, had all the cabin integrity of a colander. It took WORK to build up fumes of any sort inside them. The Volt's tight enough that I have to pay serious attention to whether the windows are open or not when closing the hatch because the air pressure bounceback will keep the thing from latching properly if I don't do close it harder with the windows closed.
 

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