How To Check Charge Of Car Battery. Ad Check Current Battery Specials On Any Make Or Model. Turn the vehicles key to the run position and check the multimeter.
The normal current drain on most vehicles should be about 25 milliamps or less. Hold the red probe to the positive terminal and the black probe to the negative terminal. Turn off the ignition and any accessories like lights or the radio in the vehicle.
If your multimeter is not autoranging set it to 20V DC.
Battery testing and charging is available at every AutoZone location. A reading of 1265-1277 volts means your battery has a full charge. Connect the negative lead from the car battery charger to the negative terminal on your battery. The normal current drain on most vehicles should be about 25 milliamps or less.
