How Many Amps Does Alternator Charge Battery. The amount of current that goes to the battery will steadily naturally decrease as the battery charges. 38 Votes Check your cars manual or parts manual to see what your alternators maximum amperage should be.
However to maintain battery health the current should be. But nowadays a single alternator can produce power up to 2500 Watt depending on the power demand. An alternator is best suited to produce electricity at high RPM as opposed to what it gets with the engine idling as its power reduces to a trickle of about 2-3 amps after 10-20 minutes.
How many amps does A factory alternator put out.
Anything quicker and you will be buying a new one soon. But nowadays a single alternator can produce power up to 2500 Watt depending on the power demand. But the actual charging rate of a 220-amp alternator is closer to 100 amps. Most factory alternators are rated at 65 to 100 amps and are capable of handling your vehicles basic necessities such as headlights gauges fuel pumps AC etc.
