highfigh

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    highfigh replied to the thread Featured How Much AH for ~ 250 Amps.

    How much energy does the car need without the audio system? Subtract that from the alternator's capacity and it's not working with a lot of...

    Friday at 8:21 AM
  • H

    highfigh replied to the thread Featured How Much AH for ~ 250 Amps.

    I wouldn't assume that the car is driven continously, either. Also, even if a second (or third) battery has been installed, the alternator is...

    Jun 9, 2026
  • H

    highfigh replied to the thread Featured How Much AH for ~ 250 Amps.

    At idle, an alternator isn't charging the battery very well and won't produce more than 12.5VDC unless the pulley is smaller than normal. At...

    Jun 8, 2026

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