Kill switch

[kman0216]

Was looking for something to install in my car that turns the car off if the battery gets to low so that it will still start. Something like my Corolla has if you are sitting with the car off and listening to the radio it will turn off so that it will still start when the battery gets low.

I want to do this because me and my friend always listen to music and try out new songs to listen to that sound great with my system.

Yes I am going to get a second battery to be able to listen to it longer with the car off. Even if I had 10 batteries I would still like to have something like this so it doesn't kill the car and not have enough power left to start it. I

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[adulbrich 5,000+ posts]

You could install a voltage meter and watch it. There is nothing I know of that's failsafe.