Proper Charging Volts

[acolic]

Hi

Just curious what’s the proper output voltage of the alternator when charging a battery.

I’m getting a reading of 14.6V.

Just wondering if that’s correct.

Thanks

Alex


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[crash68]

13.8 to 14.2 is the typical voltage you'll see with the engine running. It may slightly higher depending on the battery charge and/or ambient temperature, so unless the voltage goes over 15 volts I wouldn't be concerned.

 

[mizewilliamc]

That’s a normal voltage. What you want to pay more attention to on your alternator is the duty cycle it’s running. A normal duty cycle is in between 30-40%, when they start getting higher you’ll notice your alternator not being able to hold the charge on your battery


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