How To Know If Your Car Battery Is Low. If jumpstarting works then you know youve got a battery problem. If you notice this behavior suddenly and the temperature hasnt dropped a slow dragging start suddenly begin get your battery tested as soon as possible and dont ignore it.
Ideally the best way to know if your battery is good is to charge it out of the application and come back 12hrs later to see what the voltage of the battery drop down to. A dead battery while the engine is running indicates a problem with your cars electrical system. Ad Be Sure You Have The Starting Power Your Vehicle Needs.
Your stomach sinks as you put in your key only to have your car not turn on.
But you also need to figure out whether its simply at the end of its life or there are underlying issues. If this happens you will be able to keep driving for a little while. Ad Be Sure You Have The Starting Power Your Vehicle Needs. The main function of a car battery is to start your car.
