Battery

Tiny
KGETZ
  • 2001 FORD ESCORT
  • 132,000 MILES

Is it true that when a car is running, the battery supplies the power to the car and the alternator recharges the battery as it drains?

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Thursday, August 2nd, 2012 AT 5:50 PM

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Tiny
KHLOW2008
  • EXPERT
  • 41,940 POSTS

Not really that way. The alternator supplies whatever current is required and the battery acts as a backup. It also helps to stabilise the voltage though the voltage regulator is the main controller.

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Thursday, August 2nd, 2012 AT 6:02 PM
Tiny
WRENCHTECH
  • EXPERT
  • 20,683 POSTS

The alternator feeds directly to the battery and reads battery demand to determine charging rate.

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Thursday, August 2nd, 2012 AT 6:22 PM

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