Alternator amperage

1998 MAZDA 323
125,000 MILES • 1.5L • 4 CYL • RWD • AUTOMATIC
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MYSTICWRITER2015
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  • 1 POST
How many amps does my alternator need to charge my 650 cc twelve volt battery while i drive? My alternator is producing twelve amps is that enough?
Mar 1, 2017 at 8:19 AM
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WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
The condition of the battery determines the output status of the alternator. The alternator reduces the charging rate as the battery becomes fully charged.
Mar 1, 2017 at 8:31 AM
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