Vehicle Battery Testing

If you suspect your vehicle battery is not performing at optimal levels, testing determines the charge. The test requires using an analog or digital voltmeter. The ignition key must be turned off before testing. Connect the red voltmeter lead to the positive battery terminal. Connect the black lead to the negative battery terminal. If the reading is 12.4 volts or higher, the battery is in good condition. However, if the reading is 12.2 volts or less, there is a problem.

Try using a battery cleaning solution to remove the debris from the battery posts and the cable ends. Retest the battery. If there is no improvement, the battery may need replacing. A good battery is less than four years old, takes and holds a charge, and has a reading of 12.4 volts or more. Before extreme hot or cold weather arrives, have your battery serviced or replaced by one of our auto service technicians.

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