Practice question

Which of the following describes the correct procedure for performing a battery capacity (load) test?

  1. Apply a load equal to the battery's Cold Cranking Amps (CCA) rating for 60 seconds
  2. Apply a load equal to half the battery's CCA rating for 15 seconds, and verify that the voltage remains above 9.6V (at 21°C)
  3. Short circuit the positive and negative terminals with a copper wire and check for sparks
  4. Measure the voltage while revving the engine to 3,000 RPM

Answer: B — Apply a load equal to half the battery's CCA rating for 15 seconds, and verify that the voltage remains above 9.6V (at 21°C)

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