How long to kill a battery leaving headlights on?

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Biff Malibu - 07 Oct 2006 01:14 GMT

Left the lights on my '06 Malibu this afternoon for about 3 hours. Killed
the battery, I mean flat. That seems a little wimpy to me. The car has 2700
miles, driven regularly. I'm going to have the charging system checked, but
just wondered what y'all thought.

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nightmagic - 08 Oct 2006 03:40 GMT

>Left the lights on my '06 Malibu this afternoon for about 3 hours. Killed
>the battery, I mean flat. That seems a little wimpy to me. The car has 2700
>miles, driven regularly. I'm going to have the charging system checked, but
>just wondered what y'all thought.

it doesn't matter what kind of battery you leaving lights on will kill a
battery in about an hour. i had the same before in my silverdo

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LOVE thunderbirds

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Repairman - 08 Oct 2006 15:33 GMT

Car batteries are designed for starting, not long term power.
That's why they make deep cycle marine batteries for trolling motors, boats,
etc. .

> Left the lights on my '06 Malibu this afternoon for about 3 hours. Killed
> the battery, I mean flat. That seems a little wimpy to me. The car has
> 2700
> miles, driven regularly. I'm going to have the charging system checked,
> but
> just wondered what y'all thought.

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jcr - 11 Oct 2006 01:46 GMT

> Left the lights on my '06 Malibu this afternoon for about 3 hours. Killed
> the battery, I mean flat. That seems a little wimpy to me. The car has 2700
> miles, driven regularly. I'm going to have the charging system checked, but
> just wondered what y'all thought.

I thought lights on GM vehicles would go out on their own after a couple
of minutes.

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