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Old Feb 27, 2014 | 05:05 PM
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Default Another Battery Question

So we all know that C6 and C7 Corvettes never sleep and ultimately, the batteries will go dead within a range of 2 to 4 weeks (YMMV) with a battery tender. After reading some of the threads where it can take as long as a month to actually receive a car at the dealership, what magic occurs to alleviate a battery from totally going dead during transit?

Does GM ship the cars in "sleep mode"?
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Old Feb 27, 2014 | 05:32 PM
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Yes, see this thread, but I don't know if it has anything to do with power conservation. It would make sense, though.
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Old Feb 27, 2014 | 05:51 PM
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Originally Posted by GreginNH
So we all know that C6 and C7 Corvettes never sleep and ultimately, the batteries will go dead within a range of 2 to 4 weeks (YMMV) with a battery tender. After reading some of the threads where it can take as long as a month to actually receive a car at the dealership, what magic occurs to alleviate a battery from totally going dead during transit?

Does GM ship the cars in "sleep mode"?
Should that be without? I've let my C7 set for 4-5 weeks without a battery tender and have never had a problem. With a battery tender, you should be able to go for months.
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Old Feb 27, 2014 | 06:43 PM
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Originally Posted by Zymurgy
With a battery tender, you should be able to go for months.[/COLOR]
Indefinitely, I would think.
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Old Feb 27, 2014 | 09:21 PM
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Originally Posted by Zymurgy
Should that be without? I've let my C7 set for 4-5 weeks without a battery tender and have never had a problem. With a battery tender, you should be able to go for months.
Yes. Sorry for the typo!
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Old Feb 28, 2014 | 12:11 AM
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My C6 is a sunny day driver and sees a lot of garage time. Battery will, will, will drain down after sitting for a week. Purchased the GM Battery Protection charger. One end plugs into the cig lighter and the other end into a 110 wall outlet. I run wire through a cracked window or in door channel and have not had any battery issues. Assume C7 with even more enhanced electronics will drain battery if car sits.
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Old Feb 28, 2014 | 12:21 AM
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Originally Posted by Zymurgy
...With a battery tender, you should be able to go for months.
Originally Posted by Woodson
Indefinitely, I would think.
just about...
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Old Feb 28, 2014 | 02:52 AM
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Glad I saw this thread. I forgot this part of ownership. A lot is going on in the C7.
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Old Feb 28, 2014 | 05:00 AM
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Install a battery disconnect... It's easy.
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Old Feb 28, 2014 | 07:20 AM
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Originally Posted by Jontall
Install a battery disconnect... It's easy.
exactly thats what i was thinking
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Old Feb 28, 2014 | 07:48 AM
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'm not sure that's what GM would suggest. You will loose all of your settings among other issues.
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Old Feb 28, 2014 | 09:15 AM
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Originally Posted by MaineDoc
'm not sure that's what GM would suggest. You will loose all of your settings among other issues.
No you won't....had my c7 batt disconnected many times modding car, you lose nothing that I remember.....
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Old Feb 28, 2014 | 10:04 AM
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Originally Posted by Glen e
No you won't....had my c7 batt disconnected many times modding car, you lose nothing that I remember.....
Well.. the Owners Manual says you loose memory settings, which I assume to mean window indexing, seat and mirror memories, etc
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Old Feb 28, 2014 | 10:15 AM
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Originally Posted by KenHorse
Well.. the Owners Manual says you loose memory settings, which I assume to mean window indexing, seat and mirror memories, etc
And I would be more concerned about voltage transients generated by switching the battery in and out of the system. The battery minder is a much better deal for medium/long-term storage.

For those who track the car a battery switch isn't a bad idea for quick electrical shutoff if something bad does happen.

Ken, glad your order/delivery scenario finally came to a happy ending
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Old Feb 28, 2014 | 10:20 AM
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Originally Posted by NSC5
And I would be more concerned about voltage transients generated by switching the battery in and out of the system. The battery minder is a much better deal for medium/long-term storage.

For those who track the car a battery switch isn't a bad idea for quick electrical shutoff if something bad does happen.

Ken, glad your order/delivery scenario finally came to a happy ending
Thanks! Took her in yesterday for Xpel and window tinting. I should have her back today (just in time for the weekend!)

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