Quote:
Originally Posted by ducksface
I know the 200amp charger on my truck doesn't know agm from wet cell. I don't know how the agm life is diminished by our little converters that an alternator wouldn't.
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Never confuse a starting battery with a deep cycle battery. (AGM, flooded or VRLA) The battery design of the three common types of batteries is as different as a gasoline spark ignition engine as comparied to a compression ignition diesel engine.
To directly answer the question, usually the alternator's voltage regulator is programed to adjust the current based on the regulator's internal temperature so the battery charge rate is not excessive. Back in the day with high output alternators with external regulators, GM simply used a 8 gauge wire between the alternator and common output junction stud. From the common output junction to the battery, GM used a 14 gauge wire 3 feet long.
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