How Many RPMs to Charge a Car Battery Efficiently While Idling or Driving?
To charge a car battery effectively, your engine should run at a minimum of 1000 RPM. This speed generates sufficient power for charging. Driving at 55 MPH results in higher RPMs, enabling faster battery recharging. Keeping these speeds helps decrease reliance on home chargers. When the car idles, the alternator produces less power than at … Read more