Is my car battery dead?

Hello everyone,
I have 2014 Mazda 3. I left inside car lights on over night (about 9 hours) and now I cannot start the car but everything else works like I can turn on the radio and the headlights work. Does it mean my car battery is dead or there is some other problem? Do I need to jump the battery?
Thanks

@kaboose -Chances are it simply needs a boost to start. Once started, take it for a good long drive or preferably take it in to a shop and have the battery recharged properly, and also have it checked whether it holds the charge well.

I'd also suggest replacing your interior lights with LEDs. I left my LEDs on one night, actually almost a full day this past winter and it barely discharged the battery at all, car started immediately.


_3

Quote:

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Originally Posted by Flagrum_3

@kaboose -Chances are it simply needs a boost to start. Once started, take it for a good long drive or preferably take it in to a shop and have the battery recharged properly, and also have it checked whether it holds the charge well.

I'd also suggest replacing your interior lights with LEDs. I left my LEDs on one night, actually almost a full day this past winter and it barely discharged the battery at all, car started immediately.


_3

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Thanks...I think will go to LED for interior lights

You can do it check your battery dead by following some tips and analyze it result for taking a decision. All these checking tips and trick are available on above post.

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