What Is Cranking Voltage

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What Is Cranking Voltage. This voltage range means the battery is in good condition for starting the vehicle. You can test for proper cranking voltage with a voltmeter whileyou guessed itcranking the engine.

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The voltage should be very close to battery voltage when the vehicle is cranking. Crank for 15 seconds no longer. This battery looks to be in pretty good.

If you have a much larger than stock battery eg.

Generally speaking it is easier to start an engine in a warm environment than in a cold one. I am guessing that your battery voltage when cranking is probably around 9V. The battery was charged to 75 and left to rest until the open circuit voltage was 127 volts. Generally speaking it is easier to start an engine in a warm environment than in a cold one.