How long can a car run without killing the battery?
How long can a car run without killing the battery? However, for a newly replaced battery, most experts would say that it lasts for almost 8 hours. A good battery that could sustain an 8-hour stand by time will be sufficient if you only have your car stereo the only one running. With the headlights on, your running time will be reduced to four hours. Why does my car battery keep running out of power? Your battery may wear out before its time if you take too many short drives. The battery puts out the most power when starting the...