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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Tue Oct 10, 2017 7:13 pm 
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Joined: Fri May 01, 2015 5:52 am
Posts: 895
Location: KC,MO
An AGM is just a slightly different Lead Acid. The chemicals are the same. The way the electrolyte is held in place is different. Thus the very slight different 'floating voltage'.
The biggest load the Spark EV battery would ever see is: powered down, headlights, flashers, brake lights, radio on and you are making an Onstar phone call, all at once.
Still, nothing compared to cranking an ICE with its DC starter motor.

The one thing that might mess with a Li-ion 12V replacement is the 'Anti-sulfation' cycle/routine the APM does periodically. It's a pulsed AC voltage, as I understand it.

I haven't done a lot of research on the subject, yet. But there are automotive and motorcycle 12 V Li-ion replacements and they have built in Hi-Lo voltage protection with the BMS that is built into the battery case.
What about under hood temps when it's 100° and you are running the AC, for hours?
I don't have all the answers... few really... :(

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Used '14 2LT w/ DCFC.
In the middle of the country.
Far from any of its sibs.


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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Wed Oct 11, 2017 12:00 pm 
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Joined: Wed Oct 30, 2013 7:27 am
Posts: 563
Location: Manteca, California
CCIE wrote:
Has anyone actually tried calling an AC Delco parts supplier and seeing if they can order part# LN1AGM? That's how I got the correct 12V battery for my Volt.

I contacted Interstate Batteries to see if they have a drop-in equivalent. Nope! We may only be able to get this battery from a Chevy dealer - if it is still available. I also have an inquiry into AC Delco to see if the battery has been discontinued and, if it has, what is it's replacement. I will post the answer when I receive it.

Update: This battery is used in a number of Chevy vehicles including the Bolt. Therefore, is should be available [expensive] through a Chevy dealer.


Last edited by MrDRMorgan on Thu Oct 12, 2017 11:04 am, edited 1 time in total.

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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Wed Oct 11, 2017 3:59 pm 
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Joined: Wed Aug 16, 2017 12:53 pm
Posts: 6
I ended up just submitting an online order at my local chevy:
$228.65 + tax + $11 core charge

They will have it in tomorrow.

Any tips on install? Just do like a normal battery?
I saw that other EV's or hybrids (dont remember which one) said online that it didn't like total loss of power and they had to put a charger on the circuit while they swapped.


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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Wed Oct 11, 2017 5:03 pm 
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Joined: Tue Nov 22, 2016 8:47 am
Posts: 110
Location: CT
electrohawk wrote:
I ended up just submitting an online order at my local chevy:
$228.65 + tax + $11 core charge

They will have it in tomorrow.

Any tips on install? Just do like a normal battery?
I saw that other EV's or hybrids (dont remember which one) said online that it didn't like total loss of power and they had to put a charger on the circuit while they swapped.


I've disconnected the 12V battery on my Spark before. No issues. So, you can just swap it.

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2015 Spark EV 2LT with DCFC
2012 Volt


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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Thu Oct 12, 2017 2:17 am 
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Joined: Fri May 01, 2015 5:52 am
Posts: 895
Location: KC,MO
electrohawk wrote:
..... an online order at my local chevy:
$228.65 + tax + $11 core charge.....


Holi Guacamole !! :shock:
For a small lead acid battery? That doesn't even crank an engine?
Ask then to show you the 'Manufacture Date' tag. It could be as old as the one you are taking out....

How is it going to be any different than, say, a small $79 Honda Civic battery from Wally's that was manufactured last month?

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Used '14 2LT w/ DCFC.
In the middle of the country.
Far from any of its sibs.


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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Thu Oct 12, 2017 5:35 am 
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Joined: Thu Sep 22, 2016 12:51 pm
Posts: 17
Location: Martinsburg, WV
Advance Auto shows 12v Spark EV batteries available. Not sure if their database is correct or not . . . Perhaps the listed 6v batteries for Spark EV raised suspicion :shock:



Fitment Notes
2015 Chevrolet Spark EV LT
OE Spec: OE Group 140R; OE CCA 410; Battery Spec: 410 CCA


Joe M in WV


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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Thu Oct 12, 2017 6:14 am 
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Joined: Tue Nov 22, 2016 8:47 am
Posts: 110
Location: CT
NORTON wrote:
electrohawk wrote:
..... an online order at my local chevy:
$228.65 + tax + $11 core charge.....


Holi Guacamole !! :shock:
For a small lead acid battery? That doesn't even crank an engine?
Ask then to show you the 'Manufacture Date' tag. It could be as old as the one you are taking out....

How is it going to be any different than, say, a small $79 Honda Civic battery from Wally's that was manufactured last month?


12V batteries, and especially AGM batteries, have gotten very expensive. The days of buying one for $50-75 are gone. The correct AC Delco replacement for my Volt cost about $200 last year.

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2015 Spark EV 2LT with DCFC
2012 Volt


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 Post subject: Re: Bad 12V battery equals disabled car
PostPosted: Thu Oct 12, 2017 8:14 am 
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Joined: Wed Aug 16, 2017 12:53 pm
Posts: 6
NORTON wrote:
electrohawk wrote:
..... an online order at my local chevy:
$228.65 + tax + $11 core charge.....


Holi Guacamole !! :shock:
For a small lead acid battery? That doesn't even crank an engine?
Ask then to show you the 'Manufacture Date' tag. It could be as old as the one you are taking out....

How is it going to be any different than, say, a small $79 Honda Civic battery from Wally's that was manufactured last month?

Now the same group size LN1, non-AGM that fits the ICE Spark... that one sells for $110


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