Charging A Dead Car Battery How Long. Aside from jump starting the fastest but not always the most efficient method you can also consider using a reliable car battery charger. The speed of charging a car battery depends on the RPM on which it is running.
When someone says that their car battery is dead this usually refers to the idea that it is discharged. Ad Be Sure You Have The Starting Power Your Vehicle Needs. This method for charging your battery uses jumper cables to connect the dead battery to a running one.
Charging your car battery with a 2 amp car battery charger will take a reasonably long time up to 24 hours to reach an acceptable charge this is determined by the fact that your car battery is usually 48 amps and it takes about 1 amp charge.
Ad Be Sure You Have The Starting Power Your Vehicle Needs. The same batteries could be charged in about 12 hours 16 hours and 24 hours with a 4-amp charge. Free 2-Day Shipping and Free Returns. A healthy battery shows a reading from 124 to 127 volts when we measure the voltage across the two terminals of the battery.
