Quote:
Originally Posted by Dave R
I've heard the same thing, but then I think about how the charging system in a car works and realize it's got to be a myth. An alternator can easily dump 50 amps or more into a discharged battery and there's no current limiting circuitry in a car charging system (just voltage). It'll put in whatever current the battery will take, up to the output limit of the alternator. If you park a modern car for a week and then start it in sub-zero weather, it'll draw a whole lot of current after the car starts. You can hear it in the alternator, if you know what to listen for.
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Most Jet skis charge somewhere from 200 to 300 watts. and thats @ 6000rpm. Its not a myth.... You might as well use the battery for ballistic media for the ole 357 after a couple hits on the auto charger
ALWAYS trickle charge small engine batterys.
Dave we have a 1930 Model A in the shop right now that has a voltage regulator.... Most of todays autos sport well over 100amp alternators that have quite complex digital regulating systems to control charging