Pete Meier explains how vehicle usage and oil/filter quality should affect your maintenance schedules.

Technician A and Technician B are discussing battery testing. Technician A says that an open circuit voltage of less than 10.5 volts indicates a bad battery. Technician B says that a reading of 12.5 volts indicates an 80% state of charge.
Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B
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