The Ford Barn - View Single Post - has anyone ever cranked a car with a weak battery

Kurt in NJ · 05-09-2022, 07:29 AM

I have hand crank started my car when the battery voltage was less than 2v, i have a diode cutout so the generator will add to the voltage hand cranking, I have a high charging rate because of a lot of nighttime driving (14 amps), hand cranking can make about 4 volts for me.

05-09-2022, 07:29 AM	#15
Kurt in NJ Senior Member Join Date: May 2010 Location: on the Littlefield Posts: 6,181	Re: has anyone ever cranked a car with a weak battery I have hand crank started my car when the battery voltage was less than 2v, i have a diode cutout so the generator will add to the voltage hand cranking, I have a high charging rate because of a lot of nighttime driving (14 amps), hand cranking can make about 4 volts for me.